The ability to use light to turn specific cells on and off with very precise timing could in principle allow new therapies.

这种用 激光射线打开破损细胞的通道，以精确的瞄准杀死细胞的技术在工作原理上得到了大家的认可。

youdao

Thus, my principle for getting more time off has always been this: Travel time is something you have to create for yourself.

因此，我的原则是：你得为自已创造旅行时间。

youdao

First off, the penalty is not the point; the principle is.

首先，重点倒不是我被惩罚，关键是原则的问题。

youdao

Then, after the first has been paid off, apply this principle to the card with the next highest interest rate.

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LEDs flash on and off, so the principle seems to work.

ECONOMIST: Microelectronics

Where does principle leave off and pragmatism begin?

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