The expression was authorized by usage.
这是个约定俗成的用法。
That expression has been sanctioned by usage.
那种表达方式在惯用法上已被认可。
The wrong use of the word is sanctioned by usage.
这词的误用已约定俗成了。
NOTE: As you go through this tutor, do not try to memorize, learn by usage.
注：浏览本教程时，不要试着去记，而是学习其用法。
A mechanism to manage session usage by the page.
用于通过页管理会话用法的机制。
You should now see a list of processes, sorted by actual physical memory usage.
现在应该看到一个进程列表，按照物理内存的实际使用情况排序。
Table 1 lists IBM tools from the software development platform and their usage by role.
表1按角色列出了软件开发平台的IBM工具及用途。
Well, by both common usage and science it is a jet .
那么，双方共同使用，科学是一种喷气式飞机。
A custom or practice established by long usage.
因长期使用而建立的风俗或习惯。
The wrong pronunciation of the word is sanctioned by public usage.
这个词的错误读音已被习俗认同。
The wrong pronunciation of the word is sanctioned by public usage .
人们接受了这个字的错误读法，因为大家都这样念。
The computer was damaged by inappropriate usage.
电脑由于不恰当的使用弄坏了。
The computer was damaged by inappropriate usage.
电脑由于不恰当的使用弄坏了。
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