No single nation can solve the ocean's challenges alone.
解释:使用毒性大的药物治疗疾病时,病情十成中只能去掉六成就要停药,以免伤害正气。
We don't inherit leather from our ancestors—we borrow it from our children.
字符串是一个严格的数据结构,在传递字符串的任何地方都存在很多重复的过程。它是隐藏信息的理想工具。
I'm not going to tell them about the downsizing. If a patient has cancer, you don't tell them.