离港证的英文：
clearance label
n. 清除，清扫；清仓甩卖；空隙；放行证
- take off clearance = clearance for take off
起飞许可 - The plane was given clearance to land.
飞机被给予着陆的许可。 - Clearance of this check could take a week.
支票兑现可能需要一个星期。 - The clearance work will enable the garden to look as attractive as possible.
清扫工作将使这座花园尽可能地景色宜人。 - Why not cure unemployment by a National Slum clearance effort?
何不通过全国性的消除贫民窟运动来解决失业问题呢?
n. 标签；绰号；唱片公司
v. 贴标签于；（尤指不公正地）把...称为
- Put a label on your luggage.
在你行李上做个标记。 - The bottle is labeled poison.
瓶子上表明有毒。 - Certain estates are labelled as undesirable.
某些物业被归入不受欢迎之列。 - Please unveil the label firstly.
请先揭开标签。 - This phrase is labelled as an Americanism in the dictionary.
这本词典把这个短语称为美国特有的语言现象。
