例句：

　　First, the expression must match all letters that need to be capitalized.

　　首先，表達式必須匹配所有需要大寫的字母。

　　Towns in the Northern colonies were centralized and compact.

　　北方殖民地的城鎮(zhèn)是集中而緊湊的。

　　Without unwritten rules civilized life would be impossible.

　　沒有不成文的規(guī)章，就不會有文明生活。

　　Such behaviour is totally unacceptable in a civilized society.

　　這種行為在文明社會是完全不能接受的。