Optical transistors, he says, will have a hard time competing with electrical ones, not least because there is no agreement over the best way to build them.

光电晶体管难以与电子晶体管竞争，这不仅仅是因为没有一项协议提供最好的制造方式。

youdao

No matter what field you work in there are tasks that are enjoyable and the ones that just drive you crazy.

无论你在哪个领域工作有任务愉快、让你发疯的事。

youdao

No big surprise, considering there are millions of fresh ones every year to join a large pool of millions of existing ones.

没有什么可惊奇的，想想每年都有百万的新生前赴后继。

youdao

Pages and pages of them, so no one expects you to know all those identities, but there are a few popular ones we will use.

好几页的内容,我不要求你们都能记下来,但是我们会用到一些著名的恒等式

耶鲁公开课 - 基础物理课程节选

Just as private airlines remain at least as zealous about safety as state-owned ones, there is no reason to expect private railways to skimp more than the always-cash-strapped public ones.

ECONOMIST: For the sake of a red light

Subsequent generations divide these plots into smaller ones, but there is no individual title.

FORBES: Readers Say

If those fuels were cheaper than traditional ones, then there would be no reason to make public investments.

FORBES: Obama's Sly Attack on Climate Change