为了帮助自己和他人，了解一些关于毒品的知识是很重要的。

To help ourselves and others, it's important to know something about drugs.

youdao

为了帮助自己和他人，了解一些关于毒品的知识是很重要的。

To help ourselves and others, it's important to know something about drugs.

youdao