1.custom check 关税检查

例句:The courier assist the tourist at the custom check point.
导游员帮助游客通过海关检查通道。

2.go over 越过

例句:My hope is that, in the future, I will go over there and marry her.
我的希望是将来能去那里和她结婚。

3.security checks 安检

例句:Plainly, a great deal of extra time will be needed for the security checks.
很明显，安全检查需要很多额外的时间。

4.in effect 实际上；生效

例句:That deal would create, in effect, the world's biggest airline.
事实上，这一协议将促成世界最大航空公司的成立。