There are certain laws such that, given that the computer's in this state, it must necessarily move in that state.

存在那样的某些定律,假定电脑处在这种状态,它一定会变为那种状态

耶鲁公开课 - 死亡课程节选

So, if we want to go from that stable state to that less stable state, we need to put in a certain amount of energy to our system, that difference between the free electron and the electron bound to the metal.

所以，如果我们想使电子,从稳态到达不够稳定的状态，我们需要引入一定数量的,能量到系统中，即自由电子和束缚于金属的,电子的能量差。

麻省理工公开课 - 化学原理课程节选

One of the things that estrogen does when cells are exposed to estrogen is that certain genes get turned on that weren't turned on in the estrogen-free state.

雌激素的功能是,当细胞所处环境中有雌激素时,一些在雌激素不存在的条件下,无法表达基因就能够表达

耶鲁公开课 - 生物医学工程探索课程节选

Mr Sarkozy actually believes in an activist state in certain areas.

ECONOMIST: A question that worries a few and excites others

What Dr Goldenberg and Dr Levy found was that the proportion of babies given a certain name in a state where that name was already popular or in a neighbouring state was 20% higher than would otherwise have been expected.

ECONOMIST: Babies' names and the internet

Before Obamacare, health care insurance regulation had been a state function, and each state had written laws mandating that all health insurance policies written in the state must cover certain services.

FORBES: The Looming Failure of Obamacare, Part 3: Rent-Seeking