Create a contract in which you're paid a certain sum if your income falls below a setlevel.
那就签订一项合约，规定如果你的收入低于预设水平，就能够得到一笔规定数额的补偿金。
2
However, WHO has not required a setlevel of severity as part of its criteria for declaring a pandemic.
但世卫组织并没有要求必须达到某种程度的严重性才能宣布已暴发大流行。
3
It turns out that the body has a setlevel of pH that it likes to function in. Just as we all have a normal body temperature, we also have a normal pH for our tissues.