Indeed , blame is so unrelentingly harmful because its primary function is to attack and injure .
确实,责难是如此无情而有害,因为其主要功能就是攻击和伤害。
An occasional heading of a soccer ball isn 't likely to be a problem-the ball isn 't hard enough to directly injure nerve fibers in most cases .
偶尔用头顶球并无大碍大部分情况下足球不会直接损害神经纤维。
Some of these demands are merely horrible ideas that would injure the economy severely - such as the huge expansion of public infrastructure .
这些要求,一些只不过是会严重损害经济的馊主意,例如大幅增加公共基建开支。
After all , bad design works the other way : poorly designed computers can injure your wrists , awkward chairs can strain your back and over-bright lighting and computer screens can fatigue your eyes .