例句:He has a security clearance that allows him access to classified information.
他获得了安全许可，可以接触机密信息。
2.as well as 也...；和...一样
例句:They visited some factories, hospitals as well as the school.
他们参观了这所学校，还参观了工厂和医院。
3.global market 全球市场
例句:Global market turbulence has triggered the biggest outflows from emerging market equities in more than a year.
全球市场动荡导致了新兴市场股市一年多以来规模最大的资金外流。
4.signed up 登记；签约
例句:He signed up as a steward with P& O Lines.
他签约了P&O航运公司，成为了一名乘务员。
