但话又要说回来，如果用于正常的英语交流又很容易，一般掌握1000- 2000个单词就够了。

But, then again said that, if used properly and very easy to communicate in English, generally 1000-2000 words is enough to grasp.

youdao

但话又要说回来，如果用于正常的英语交流又很容易，一般掌握1000- 2000个单词就够了。

But, then again said that, if used properly and very easy to communicate in English, generally 1000-2000 words is enough to grasp.

youdao