When scientists connect a gene to a disease, they often don't know what that gene does-the protein it makes or the process it regulates-or what factors turn it on or off, up or down.
当科学家们将基因与特定疾病联系在一起的时候，往往不知道这些基因起什么作用——这些基因能产生何种蛋白质或控制哪个过程——还有什么因素会促使它们开或闭，激活或睡眠。
They don't let bad luck get them down; they find a way to turn it into good fortune.
他们不会对坏运气垂头丧气，而是找出方法让其转运。
Julie: Why don't you ask her to turn it down?
朱莉：你为甚么不叫她把音量调小？
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