If you study index funds, it will be divided into two parts. One is the broad-based index, just like a school's, well, the top 100 students have it in all departments. If we were more professional, we would choose excellent enterprises in high-quality industries, that is to say, well, choose good departments and then select a group of good students in them, so at present, the mining machine index of Shanghai and Shenzhen 300 is not in the undervalued area and we can't invest, but there are opportunities in individual industries, such as well. The Internet is now undervalued and can be invested properly. Medicine is also a good medical treatment, and you can also invest a little, but it is not particularly low.