Denatality
出生率降低
🗣️ 情景例句
My father is an engineer of a construction company, and mother is a doctor.
我父亲是一家建筑公司的工程师，母亲是一名医生。
The two parties involved in a contract have the obligation to execute the contract.
合同双方有义务履行合同。
We can get by.
我们过得去。