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Time has wings.光阴去如飞。Time is money.时间就是金钱。Time flies（like an arrow）.光阴似箭。Time and tide wait for no man.岁月不饶人。Tomorrow never comes.切莫依赖明天。Enough is as good as a feast.知足常乐。Time lost cannot be won again.时不再来。Example is better than precept.身教胜于言教。Life is sho