A nested class make sense when you have enough related functionality to lump together in a class, but the functionality is only ever going to be used by its "outer" class.

当你有足够多的功能需要归并到一个类里，并且这个类在仅会被外层类所使用时，一个嵌套类就非常有用。

Only, it does not perceive that all which it has denied it admits in the lump, simply by the utterance of the word, mind.

不过，他丝毫没有发现，他所否认的一切在他一提到“精神”一词时，又都被他一总接受了。

A week passed before she finally telephoned-to tell Piotr that the blow delivered by the umbrella handle had produced first a lump, expected by Agnieszka and therefore unsurprising, and then a tumor.

过了一周，她终于给他打来电话——告诉彼得亚雷说，雨伞把柄的重击先是留下了一个肿块，因此阿格涅斯卡觉得接下来会长出一个肿瘤的，她并不感到惊讶。

Some years before, Caliendo had secured Lamptey as a client by flying to Accra and paying him a cash lump sum to sign on the dotted line.

几年前，卡利恩多飞到阿克拉，给了他一笔钱，让他在手指的一条线上签名，就这样成了兰普提的经纪人。

A MISER sold all that he had and bought a lump of gold, which he buried in a hole in the ground by the side of an old wall and went to look at daily.

有个守财奴变卖了他所有的家产，换回了金块，并秘密地埋在一个地方。他每天走去看看他的宝藏。