As every policeman knows, external controls on people's behavior are far lesseffective 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。
2
They found that on tannin-rich oak leaves, the virus is considerably lesseffective at killing caterpillars than when it is on aspen leaves, which are lower in phenols.