People seldom improve when they have no other model but themselves to copy.
当人们只有自己可以模仿时，他们很少会改进。
-- Oliver Goldsmith 奥利弗·戈德史密斯
People seldom improve when they have no other model but themselves to copy.
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People seldom improve when they have no other model but themselves to copy.
当人们只有自己可以模仿时，他们很少会改进。
-- Oliver Goldsmith 奥利弗·戈德史密斯
