A：Are you free tonight?
你今晚有空嗎?
A：I think so.
我想有吧。
注釋：
a.free a. 有空的
= available
Are you free now?
= Are you available now?
= Are you off now?
(你現(xiàn)在有空嗎?)
b.I think so.我想是吧。
I don't think so.
我想不是吧。/我不這么認為。
A: Is she beautiful?
(甲：她美嗎?)
B: No, I don't think so.
(乙：不，我不這么認為。)