中国要赶上发达国家，还需要几代人、几十代人的艰辛努力。

If China wants to catch up with the developed countries, arduous efforts should be made by several temerarious or more.

youdao

这是在今后很长时间里，我们几代、十几代甚至几十代人要做的事情。

This is a long-term mission we will pursue for several or even dozens of generations to come.

youdao

如果同一个家族的九或十代人同时活在世上，家庭生活又会发生些什么？

And what would happen to family life if nine or ten generations of the same family were all alive at the same time?

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