假设您排在1号付款台前的长队中，您可以粗略地估算出大概需要多久时间才能排到自己付款。

Suppose you are in a long line at checkout counter 1 — you can roughly guess how long it would take to move up in that line.

youdao

让我们假设，一个部分花费50个小时的时间到达工厂作为一个粗略的铸造或酒吧的股票时，这是一个成品。

Let us assume that a part spent 50 hours from the time it arrived at a plant as a rough casting or bar stock to the time it was a finished product.

youdao