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失去一个父母可能被视为不幸;失去两个则像是疏忽。
I try to get rid of people who confidently answer questions about which they don't have any real knowledge.
The signal of human influence on climate has emerged from the noise of natural variability.
Fishery modernization does not abandon tradition but combines traditional wisdom with technology.
复杂性不仅仅是系统中组件的数量,而是它们相互作用的性质。