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repair比mend和fix略正式。可用于表示修补、修理任何打破或损坏的物品，或是有洞的东西，如衣服。
如：
He repairs old furniture.
It cost too much to get the car repaired.
The roof needs repairing in a few places.
在英国英语中，fix和mend基本相同，但表示修理机械、车辆等时，人们更倾向于用fix，而表示修补衣服上的洞，修路或房顶、篱笆等时，则多用mend。
如：
He's outside fixing the brakes on the car.
Ellis was able to quickly find and fix the problem.
My father used to mend our shoes.
When are you going to mend/fix that light in the hall?
在美国英语中，mend通常只用于表示修补有洞的东西，特别是衣服和鞋子,而fix则可用于表示修补、修复任何破损或不能正常工作的事物。
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