1. They should tear down barriers to entry such as needless occupational licensing rules—the legal and medical professions, for example, should not be allowed to pull up the drawbridge to outsiders.
tear down 拆掉
The city will tear down the building and create a park.
该市将拆掉这幢大楼,在这儿建个公园
。2. But helping workers by boosting productivity must not be confused with self-defeating attempts to protect them—as happened the last time they had the upper hand, in the 1970s.
self-defeating 适得其反
Paying children too much attention when they misbehave can be self-defeating.
孩子有不良行为时,小题大做可能适得其反