"What we assure is that the technologies that do come on the market are safe and effective, but whether or not they should be used on a given case,a given patient, is a decision that is made by the individual practitioner."

VOA: standard.2010.04.07

So we're going to feel a higher z effective in the case of the ion compared to the neutral atom.

因此，我们在离子中,会比在中性原子中感受到更高的有效核电量。

麻省理工公开课 - 化学原理课程节选

z So in our first case, our first extreme case, would be that the z effective that is felt by electron number 1, is going to be plus 1.

被1号电子感知到的有效的，是+1所以,我们所能做的是计算出，我们从这个。

麻省理工公开课 - 化学原理课程节选

Patients may not want to hear that their genes make a seeming wonder drug non-cost- effective in their case.

FORBES: Tailor-made drugs

In trying to make the case that corporations are people, they are rather more effective at making the case that people in corporations are what counts.

FORBES: Jack Welch is Wrong

Is it to make their case more effective?

FORBES: Preying on an Easy Mark