The file name is missing because find called grep once for each file, and grep is smart enough to know that if you only give it one file name, then you don't need it to tell you what file it was.

缺少了文件名，因为 find 为每个文件调用 grep 一次，而 grep 非常智能，能够知道您是不是仅提供文件名，您不需要它告诉您是哪个文件。

youdao

If the ability to sell short is limited then one side of the argument will be missing.

如果卖空的能力受到限制，那么一方的论点就会缺失。

youdao

Among all these factors, one simple fact remains: if your best players are missing then it is difficult.

BBC: Wayne Rooney is stretchered off against Chelsea