Examples
例子
你的行李必须通过海关检查。
nǐ de háng lǐ bì xū tōng guò hǎi guān jiǎn chá
You have to have your baggage checked in customs.
你的签证必须在移民局检查站通过检查。
nǐ de qiān zhèng bì xū zài yí mín jú jiǎn chá zhàn tōng guò jiǎn chá
You have to have your visa checked in immigrations.
乘客必须在飞机起飞时坐好。
chéng kè bì xū zài fēi jī qǐ fēi shí zuò hǎo
Passengers must stay seated while the plane takes off.