俯瞰湖泊的房子要价高些。
动物发出的信号，如鸟类复杂的鸣叫声，往往代价高昂。
Animal signals, such as the complex songs of birds, tend to be costly.
他们当中的许多人反而成为了那种妨碍民事诉讼的使得侵权制度成为一场代价高昂的噩梦的文件编档员。
Many of them instead become the kind of nuisance-lawsuit filer that makes the tort system a costly nightmare.
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