每日商务英语 第83期:未知数
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open question 未知数
英文释义
An unresolved issue; any matter involving contrasting opinions that has not been decided.
例句
Competition is fierce between the two rivals, and who will win is still completely an open question.
两个对手之间的竞争非常激烈，谁能获胜还完全是个未知数。
