Problems occur because bottom-up generation frequently results in type definitions that cannot be reused and multiple types defined to represent semantically equivalent information.

之所以出现问题，是因为自底向上生成经常会得到无法重用的类型定义以及多个定义为表示语义等效信息的类型。

youdao

She had taken up the cause of a generation of American youth.

她已经开始着手一代美国年轻人的事业。

《柯林斯英汉双解大词典》

My generation have grown up without the experience of a world war.

我这一代人在成长过程中没有经历过世界大战。

《牛津词典》

Some people are second-generation fans whose own children are now growing up with Special English.

VOA: special.2009.04.06

And this new pharaoh will enslave the Israelites, and so embitter their lives, that their cry will rise up to heaven the same cry from the generation of the flood, the same cry from Sodom and Gomorrah.

这个新法老将会迫使以色列人为奴，他如此激怒他们，他们的哭号传至天堂,就像大洪水时期一样的哭号，像来自罪恶之城俄摩拉城一样的哭号。

耶鲁公开课 - 旧约导论课程节选

He was the first generation to go to college, grew up in the farms, and as such, he was very skilled with machining.

他是家里面第一个大学生，出生在农场，他很精通机械。

麻省理工公开课 - 固态化学导论课程节选

To that end, green fuels require back-up generation that kicks in when the wind dies down or the sun ceases to shine.

FORBES: Shale Gas Crowned: So Why Do They Shun Obama?

The electricity overhaul, which began in 1991, opened up power generation to private companies.

WSJ: India Blackouts Show Failure to Lure Investors

Company president Russ Collins says its target audience is made up of Generation X Web surfers.

CNN: Online shows target Generation X