那不是标准的单引号，而是键盘中通常位于 Tab键之上的单引号。

Those are not standard single quotes, but instead come from the keyboard key that normally sits above the Tab key. We can do exactly the same thing with bash's alternate command substitution syntax

youdao

那不是标准的单引号，而是键盘中通常位于 Tab键之上的单引号。

Those are not standard single quotes, but instead come from the keyboard key that normally sits above the Tab key. We can do exactly the same thing with bash's alternate command substitution syntax

youdao