1. Thanks to the mining boom, it now underwrites much of the country's economic growth. 受益于矿产资料的发达，这一地区已经成为国家经济增长的重要方面。
2. So it is, after all, our grasp of concepts (or our mastery of language) that underwrites the modal intuition that 'water is H2O' is necessary. 所以，归根结底，我们对概念的把握(或我们对语言的把握)确保了关于“水是H2O”是必然的模态直觉。
3. This has worried some regulators, particularly the Federal Deposit Insurance Corporation (FDIC), which underwrites America's deposit insurance. 这又使（另外一些）管理者产生困扰，尤其是对正在承担着（美国）储蓄保险的联邦储蓄保险公司来说。
4. Ministers lifted the limit on university-tuition fees-but failed to foresee the race to the top of the new scale; that has left the exchequer, which underwrites the fees, with a big liability. 首相提高了大学学费的限制，但未能预见所带来的一路飙升。这使得同意此的财政大臣负有重大责任。
