costly例句
Psychometric tests can save organizations from grim and
costly mistakes.
心理测试能够使组织机构避免犯下损失惨重的大错。
At the required level of visual verisimilitude, computer animation is
costly.
要使电脑动画的视觉效果达到要求的逼真程度，花费会十分昂贵。
Coastal defence is a
costly business.
海防事务很耗费资财。