1·They've learned life's most valuable lesson.
他们学到了人生中最有价值的一课。
2·That trip was a difficult but valuable lesson.
那趟旅行是艰难却又宝贵的一课。
3·That taught me a valuable lesson and I pass it on to the people who work in the market.
这给我上了宝贵的一课，我把它传授给了在市场上工作的人。
4·For some teachers, this means bringing back a valuable lesson plan that has been put off for some time because it is "out of date".
对于一些老师来说，这意味着重新带回一份因为“过时”而被推迟了一段时间的有价值的教学计划。
5·It teaches a valuable lesson.
它给我们一个宝贵的教训。
6·That's a valuable lesson in itself.
这也是有价值的一课。
7·We think it offers a valuable lesson.
我们认为它提供了有价值的教训。
8·There's a valuable lesson there for us all.
这对我们来说可是有价值的一课。
9·Thank you for teaching me a valuable lesson.
谢谢你给我上了宝贵的一课。
10·Thanks, Sarge, for teaching me such a valuable lesson.
萨奇，谢谢你，给我上了这么宝贵的一课。