Most of us, I dare say, have spent a vacation or two at the beach rueful and distracted by something we've recently done, some conflict we've gotten ourselves involved in.

我敢说，大多数人在海滩度假的时候，都会有那么一两次，因为最近发生了一些事，或是卷入了什么争执，以致分心或懊丧。