词典释义：
释义
something that has proved effective or reliable before
被证明有效（或可靠）的东西
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supermarkets generally stick to the tried and true. 超市一般坚持采用经证实切实可行的方法。
双语例句
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Supermarkets generally stick to the tried and true.
超市一般坚持采用经证实切实可行的方法。
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Let's not forget the tried and true warhorse of the fixed rate loan.
让我们不要忘记，真正的尝试了战马固定利率贷款。
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So in 1998, scientists around the world were furiously sequencing lines of genetic code using the tried and true, yet laborious, Sanger method.
因此1998年，世界各国的科学家运用实践证明过的“桑格测序法”，对各种遗传基因展开“疯狂”的测序。
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HTC followed the tried-and-true Taiwanese outsourcing formula of designing and manufacturing gadgets for other companies without a brand name of its own.
接着它跟随台湾百试不爽的外包原则—为别的公司生产设计无自己品牌的零部件。
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But at some point, I not only began to be able to appreciate the music but I started being able to contribute to it and create my own fresh spins on the tried-and-true.
但从某一刻开始，我不仅能够欣赏这种音乐，而且我开始能够贡献于它，在实践当中贡献我自己的新鲜血液。
《Leehom Wang Speech at Oxford》《王力宏牛津大学演讲》