You don't know if a market opportunity exists until a real customer thinks enough of your idea to part with their scarce money or time to get it.

你不知道一个市场机会的存在，直到一个真正的客户反复权衡你的产品，最后费尽千辛万苦地与他们宝贵的金钱、时间分开，将其转让给你。

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But Liu Suge, a faculty member at Shanghai University, thinks that getting someone else to sit your class for you is a sign of time-management failure.

但来自上海大学的教员刘素阁认为，找其他人代课表示一种时间管理的失误。

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But Liu Suge, a faculty member at Shanghai University, thinks that getting someone else to sit your class for you is a sign of time-management failure.

但来自上海大学的教员刘素阁认为，找其他人代课表示一种时间管理的失误。

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