校园口语习语大全A-15: an outside chance 一线希望（mp3和文本下载）

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脱口说英语口语校园习语大全

A-15: an outside chance 一线希望

A：Do you think you can pass the final exam?
A: 你觉得期未考试能通过吗？

B: There's only an outside chance.
B：机会微乎其微。