User talk:Tui81524/sandbox

1. It is good way to provide questions for research and explain some words or phrases.

2. No.

3. There are only positive effects of research.

4. The article uses some examples to convince the reader to accept one particular point of view. There are no sources provided.

5. The article should be added to some sources to prove the research.

6. Yes.

7. Anni Cao