We use the same strategy of checking the resource extension as a trigger point, as shown below.

我们使用与触发点相同的资源扩展检查策略，如下所示。

youdao

File checking occurs in the check function and simply looks for files ending with a tilde (~) or pound sign (#), beginning with a pound sign, or ending with the extension .pyc.

文件检查发生在 check 函数中，仅简单地检查以波浪号（~）或者井号（#）结束的文件，以井号后开始或扩展名 .pyc 结束的文件。

youdao

As an extension of your checking account, you have to have the money right then and there to pay for your purchase.

FORBES: Your Debit Card: Don't Leave Home Without It