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1·Many drugs were found by trial and error.

许多药物都是经过反复试验后才被发现的。《柯林斯英汉双解大词典》

2·Trial and error leads to the finding of truth.

反复试验引领我们走向真理。

3·We learn, in a sense, by trial and error.

从某种意义上说，我们是通过反复试验、不断犯错来学习的。

4·There's a lack of appreciation for trial and error.

缺少对尝试和失败的欣赏。

5·What those early craftsmen had found by trial and error was that under pressure a pagoda's loose stack of floors could be made to slither to and fro independent of one another.

那些早期的工匠通过反复试验发现：在压力作用下，宝塔松散堆叠的楼层可以彼此独立地来回滑动。

6·It was largely a matter of trial and error.

这主要是个反复实验的问题。《牛津词典》

7·Children learn to use computer programs by trial and error.

儿童通过反复摸索才学会运用计算机程序。《牛津词典》

8·You cannot resort to trial and error.

你没法用反复尝试的办法了。

9·There's no instant way to success - it's just a process of trial and error.

成功不可能一蹴而就——这只是一个反复尝试的过程。

10·When humans first started building houses, determining whether they would work as planned was mostly a matter of trial and error.

人类最初开始建造房屋时，决定它们是否如计划一样奏效的方法几乎是去试一下，看看有什么不妥的地方。