This is going to be a tough lesson but a valuable one.
这是艰难但又极富价值的一课。
This is going to be a tough lesson, but a valuable one.
这是艰难但又极富价值的一课。
These firms have been given a tough lesson in the need to diversify their markets.
这些公司因缺乏多元化市场而遭受惨痛的教训。
So that was a tough way to learn that lesson, but you do learn the lesson.
以这种方式吸取教训着实很痛苦，但是你必须这么做。
So that was a tough way to learn that lesson, but you do learn the lesson.
以这种方式吸取教训着实很痛苦，但是你必须这么做。
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