抽认卡的惟一缺点是你必须亲自制作并使用它们，而这需要时间。

The only downfall8 to the flashcards is that you have to personally make them and use them, and this takes time.

youdao

抽认卡的惟一缺点是你必须亲自制作并使用它们，而这需要时间。

The only downfall8 to the flashcards is that you have to personally make them and use them, and this takes time.

youdao