1N-VAR [oft NOUN n]保险Insurance is an arrangement in which you pay money to a company, and they pay money to you if something unpleasant happens to you, for example if your property is stolen or damaged, or if you get a serious illness. 保险
The insurance company paid out for the stolen jewellery and silver.
保险公司赔付了遭窃的珠宝和银器。
We recommend that you take out travel insurance on all holidays. [+ on]
我们建议您为所有假期都购买旅行保险。
2N-VAR 预防措施;安全保证 If you do something as insurance against something unpleasant happening, you do it to protect yourself in case the unpleasant thing happens. 预防措施;安全保证
The country needs a defence capability as insurance against the unexpected. [+ against]