Mr McCain needs to drop his current line of attack if he is to have any chance of doing his own popping.
麦凯恩要想抓住最后的一线希望就必须放弃他现在攻击路线。
The address specifies the line or lines to work on (the default is the current line), and it can be given in a number of ways.
address指定要处理的一行或多行(缺省为当前行),并且可以通过多种方式进行指定。
The function also needs to know the text on the current line, which can be retrieved using getline , and is stored in curr_line.
该函数还需要知道当前行上的文本,可以使用getline来获取存储在curr_line中的当前行。
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