Peng Su: Yes, Linda, so just one more point to add here. And just if you go back to see our strategy of our Dictionary Pens, and you can see that and we spent almost 2 years to increase about 10x in terms of the number of sales of units. So I think we expect — we also think for the AI tablets market is for us is a long-term strategic investment. We are not — we will be patient. And we — that’s — we expect to copy our successful strategy in our Dictionary Pen in our smart tablets. So that’s what we exactly expect for this special category. And so we have to — right now, we’re at in the investment stage and just at various stage, it’s just beginning, and we expect we can receive a lot of very strong demand and positive feedback from the markets. That’s our expectations from this new categories. Thank you.
Operator: The next question comes from Lian Duan with Huatai Securities.
Lian Duan: In recent quarters, we saw adult courses face some challenges. What is our strategy for improving the business?
Lei Jin: This is Lei Jin. Yes, your question is, yes, the adult courses face challenges. And given the macroeconomic factors and the pandemic, we adjust our strategy from the interest-related courses to the segment that students have better chance to get their job. There are graduate school entrance exam preparation and vocational education, such as digital skill improvement. We have been seeing a booming demand from the graduate school entrance exam. There is a record high number of registers of 4.5 million this year and 21% growth year-over-year and double the number from 2017, it is likely to grow further in the coming years because the higher education means higher profitability for better. As our Youdao campus recruitment post-graduate resumes have accounted for over 70% of total candidates for the 5 years.
Our graduate school entrance exam course is focused on personalized service, as we know choosing a suitable college and subject is a key factor. So our AI assistant application consulting service offer a tailor-made device to students based on their own academic performance and the big data of the college recruitment. We are OMO services, especially in the pandemic conditions create a comprehensive experience in the online learning and offline summer camp. In terms of user acquisition, we have the most popular study APPs for college students in China, including Youdao Dictionary and China University MOOC. In Q3, over 50 of the gross billings came from this organic traffic and increased over 150% year-over-year. Vocational education especially digital skill improvement is the other focus.
It is consistent with the government’s policy direction of boosting employment. Our digital skill process, mainly include data analysis and youth driven design provide a virtual training system where learners could easily log in and practice with web browser on a PC. With the virtual system, the training environment has already been set up and other operations by the learners can be recorded and replayed. Tutor could also have guidance and feedback in the online system convenience. With the easy-to-use system, we can see approaching 100% year-over-year growth of the gross billings from this case in Q3.
Operator: Your next question comes from Candis Chan with Daiwa.
Candis Chan: Great. Good evening management, congrats on the solid set of results. We actually see that for this quarter, the gross margin of Learning Services indeed has been very strong at close to about 65%. So I wonder whether this margin level will be sustainable in the following quarters? And any colors on the margin trend of learning services for the next year? That would be great.
