问题是，对于许多想要设计系统来应对这些挑战的研究人员来说，实验所需的大量数据集根本不存在。

The trouble is, for many of the researchers who'd like to design systems to address these challenges, massive datasets for experimentation just don't exist.

youdao

由于昆虫每年可以繁殖几次并产生大量后代，许多种类的昆虫通常能迅速适应环境的变化。

Because they can reproduce several times each year and produce large numbers of offspring, many insect species can generally adapt quickly to changes in their environment.

youdao

与没有洪水时相比，渔网捕获了更多的鳟鱼，但并没有显示本地鱼类的大量泛滥，毕竟它们的祖先在许多更大的自然洪水中幸存了下来。

The nets captured a few more trout than they would have without the flood but did not show substantial flushing of native fish, whose ancestors had, after all, survived many larger natural floods.

youdao

You'll do a lot of work in your sections, very much related to your response papers that many student claim the most important part of the class.

你们要在你们的分组里做大量，和你的课后论文相关的工作,许多学生说这是本课程最重要的一部分。

哈佛公开课 - 幸福课课程节选

A lot vintage shops and a lot quirkily dressed people, a lot young people.

大量的复古店和许多穿着奇装异服的人，很多年轻人。

布里克巷的魅力 - SpeakingMax英语口语达人