When humans first started building things, determining whether they would work as planned was mostly a matter of trial and error.Build a bridge, drive a chariot across it, and see if it collapsed.
一开始人类建造房屋时,决定房屋是否合格的方法是去试一下,看看有什么不妥的地方.建成一座桥,把辆战车开上面跑一跑,看看桥会不会倒.
When humans first started building things, determining whether they would work as planned was mostly a matter of trial and error.Build a bridge, drive a chariot across it, and see if it collapsed.
一开始人类建造房屋时,决定房屋是否合格的方法是去试一下,看看有什么不妥的地方.建成一座桥,把辆战车开上面跑一跑,看看桥会不会倒.
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