What can't be done by advice can often be done by example.
忠告做不到的事，往往可以用实例来做。
-- Unknown 佚名
What can't be done by advice can often be done by example.
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What can't be done by advice can often be done by example.
忠告做不到的事，往往可以用实例来做。
-- Unknown 佚名
