Opcs
人口普查局(Office of Population Censuses and Surveys)
🗣️ 情景例句
It's easy to pick something for my colleagues, but it's difficult for my boss.
给同事们的应该不难买，但是给老板的就难罗。
Doctors and lawyers are professional people.
医生和律师是专业人员。
Let's go for a walk，shall we?
咱们出去走走，好吗？