Thus there is no need to do so with an underscore character.

所以就没有必要再用下划线表示单词起始了。

youdao

Default the value to an underscore (" _ "); you can use any value here.

默认值为一个下划线(“ _ ”)；这里可以使用任意值。

youdao

Both use a two character language and two character country code connected by an underscore.

两者都使用两个字符语言代码和两个字符的国家代码通过下划进行连接。

youdao

Both use a two character language and two character country code connected by an underscore.

两者都使用两个字符语言代码和两个字符的国家代码通过下划进行连接。

youdao