It's, and in particular, the colon is the start, and the carriage return is the end.
尤其是，冒号是开始，回车意味着结束。
2
The SKIP statement at the end of the file says that white space (blanks, tabs, carriage returns, and line feeds) can occur between tokens and is to be ignored.
文件结尾的skip语句表明，在记号之间可以出现空白(空格、跳格、回车和换行)，空白将被忽略。
3
First, there is a sorting problem: some passengers end up in the quiet carriage by accident and are not aware of the rules.