结果是，大约40%的中国小学生需要戴眼镜，而只有3%的澳大利亚孩子需要。

The result is that while about forty percent of Chinese primary school students need glasses, only three percent of Australian children do.

youdao

买礼物或捐赠给慈善机构往往比给自己买东西更令人愉快，而只有节制性地消费，奢侈品才能带来最大的愉悦。

Buying gifts or giving to charity is often more pleasurable than purchasing things for oneself, and luxuries are most enjoyable when they are consumed sparingly.

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只有不到一半的美国人说他们的烹饪水平处于中等水平，而只有20%的人说他们有高超的烹饪技术，因此，危机来自于他们对自己的信心。

Since fewer than half of Americans say they cook at an intermediate level and only 20% describe their cooking skills as advanced, the crisis is one of confidence.

youdao

And that's what you want because the electron repulsion is only felt when you are in really, really close.

而那就是你想要的,因为电子间的斥力只有当它们,离得非常非常近时才能感觉得到。

麻省理工公开课 - 固态化学导论课程节选

So, now you have a single molecule, very large molecule, with not just two binding sites but with ten binding sites.

所以如果你体内有一个细胞,一个体积很大的细胞,细胞表面不只有两个抗原结合位点,而有十个抗原结合位点

耶鲁公开课 - 生物医学工程探索课程节选

Reptiles and birds have a little bit about it--of it— and primates have a lot and humans have a real lot.

爬行类和鸟类只有很少的心理活动,灵长类有很多,而人类的心理活动就非常多了

耶鲁公开课 - 心理学导论课程节选