某些用法仅适用用于口语，而另一些用法则多用于正式的书面语中。

Some usages are appropriate only in spoken English, while others are more typical of formal writing.

youdao

某些用法仅适用用于口语，而另一些用法则多用于正式的书面语中。

Some usages are appropriate only in spoken English, while others are more typical of formal writing.

youdao