精品学习网考试频道小编应广大考生的需要，特为参加考试的考生策划了“PETS4写作精选短语：to go the extra mile”专题等有关资料，供考生参考!
to go the extra mile 比别人多做一点点
to make an extra effort in making a deal or providing service (from the Biblical proverb “if someone asks you to walk one mile, walk two miles”)
EXAMPLE:
“In order to provide the best customer service, our computer systems company always went the extra mile and provided free installation and user training at the customer’s worksite.”