As every policeman knows, external controls on people's behavior are far less effective than internal restraints such as guilt, shame and embarrassment.

正如每个警察都知道的那样，对人们行为的外部控制远不如内部约束有效，比如内疚、羞愧和尴尬。

youdao

They found that on tannin-rich oak leaves, the virus is considerably less effective at killing caterpillars than when it is on aspen leaves, which are lower in phenols.

他们发现，在富含单宁酸的橡树叶上，病毒杀死毛虫的效果要比在白杨树叶子上的效果差得多，因为白杨树叶子的酚含量较低。

youdao

Other options seem even less effective.

其他方案的效果显得更加难以信服。

youdao

He says each new version of one bill is weaker and less effective than the one before it.

VOA: special.2010.04.21

So what we're going to see is less shielding, which means that it will actually feel a higher z effective.

那么我们将会看到更少的屏蔽，这意味着将会感受到更大的有效核电量。

麻省理工公开课 - 化学原理课程节选

The z effective is lower, so we have to put less energy in to get an ion out.

它的有效核电量更低，所以我们只需要更少的能量就能打出一个离子。

麻省理工公开课 - 化学原理课程节选

While the armor and weaponry produced in peacetime became increasingly dramatic, it was no less effective.

WSJ: Dressed to Kill in Peacetime | Samurai! | Museum of Fine Arts, Boston | By Lee Lawrence

If an ineffective drug slips through, that could open the door to other less effective medicines.

FORBES: Magazine Article

Now that it has dissipated into a network, it has proved far less effective.

NEWYORKER: Small Change