He should have an ambition to make some -86 - contribution to man's knowledge.

他应该有为人类知识做出有意义的贡献的雄心壮志。

youdao

He should have an ambition to make some -86 - contribution to man's knowledge.

他应该有为人类知识做出有意义的贡献的雄心壮志。

youdao