一般都是当出票人拒绝接受付款的时候要求这么做。
It is usually done at the request of the remitter of the payee who refuses to receive the payment.
若酒店规矩要求这么做,应事先准备好一个适当的小碟放在桌上,以备放瓶塞用。
If it is the custom of the establishment to present the cork, a suitable small plate should be placed on the table in advance to accommodate it.
StAX 实现可以检查这些问题,但并不要求这么做(参考实现中就没有这样做)。
StAX implementations may check these issues but they are not required to do so (the reference implementation doesn't).
That happens because of space issues that you were asked to do that, because you can always assume that all of the core orbitals are already going to be filled.
这是出于空间的考虑,要求你这么做是因为,你总是可以假定所有的,芯电子轨道都已经填满了。
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