助产士及时把她叫回来,让她亲眼看到弟弟的降生。
The midwives called her back in time to see her brother come into the world.
约翰收到点的餐几分钟后,把服务员叫回他的桌子。
A few minutes after receiving his order, John called the waiter back to his table.
这叫农场定律,也叫回报定律。
This is also called the Law of the Farm or the Law of Reciprocity.
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