Every school has its own intranet, which is free of charge. You can log in to official website, your school. The specific method is as follows:

1. Open the official website of his university and enter the home page.

2. Locate the "Library" column and click enter.

3. There will be the address of China HowNet in the general resources. Click to enter.

4. Click "Advanced Search" on the right side of the search bar.

5. Enter the name of the tutor you are looking for and the location of the university accurately.