Children expend a lot of energy and may need more high-energy food than adults.孩子们消耗很多能量，可能比成年人需要更多高能量的食物。If you give up exercise, your muscles shrink and fat increases. By the same token, if you expend more energy you w...
你或许是个怀疑论者，会把它归因于生活的不公正。You may be a sceptic and put it down to life's inequalities.他要求纠正他所声称的不公正的降级这一错误。He is seeking redress for what he alleges was an unfair demotion.真搞不懂为什么这个人就该受到如此不公正的待遇。It was hard to say why ...