Yessir
（表示强调）的确, 完全同意
🗣️ 情景例句
I'll miss you too. You mean a lot to me.
我也会想你的。你在我心中的地位是很重要的。
Therefore, having a basic knowledge of business.
因此，懂得一些商务和贸易的英语术语。
Of course. And why not buy some English tapes and some books to go with them? I'm sure you'll find them useful.
当然了。干吗不买些英语磁带和与之配套的书呢？我相信你会觉得它们有用的。