gplv2下的大部分代码可以被用户转换为GPLv3(这是在gplv2下通常被允许的惯例)。

The vast majority of code available under GPLv2 can be converted by the user to GPLv3 (a practice generally allowed under GPLv2).

youdao

按照惯例，通常使用向右的三角形取代closed，向下的三角形取代open；也可使用加减号，加号表示closed，减号表示open。

By convention, these graphics are usually triangles that point to the right for closed or down for open; or plus and minus signs, where plus means closed and minus means open.

youdao

我给全家预备早餐，这是我通常的惯例，可是告诉哈里顿和凯瑟琳不要等主人下来就先吃他们的早餐，因为他睡得迟。

I prepared breakfast for the household, as was my usual custom, but told Hareton and Catherine to get theirs ere the master came down, for he lay late.

youdao