And/or I hadn't made up my mind exactly biopsychology or drama.

而且当时我还没有决定,是读生物心理学还是戏剧。

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A third example is when you're pondering something. Maybe you haven't quiet made up your mind,

第三种情况是，当你在思考一些事的时候，你可能还没有完全想好。

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I've already made up my mind.

我已经决定了。

I've already 实战 - SpeakingMax英语口语达人