根据具体语境来表达，我有以下几种说法。
1) Your idea?
2) What do you think of it?
3) How about your idea?
4) Your opinion?
5) What's your idea?
如果你是想问别人还有没有别的想法，可以说what do you think?
如果是你已经给出一个方案，问别人对你方案的看法，可以这么说what do you say?
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