Don yet again resigns himself to being alone and left to his own devices. 必须没有婚姻，不过女朋友则是另一回事。
I could see that he had something on his mind, and soon I rapped to what it was. 我看出他有心事，不久就知道那是怎么一回事了。
An action by one side or the other which at another time would seem harmless might seem to be something else entirely. 一方或另一方采取的行动，在其他时候看来似乎并无恶意，但现在则可能是截然不同的另一码事。
