multiple birth的用法和樣例：
例句
- But in Shanghai, where the birth rate is well below the national average, the city government is now encouraging couples entitled to more than one child to take full advantage.
但是在上海，這個(gè)出生率遠遠低于國家平均水平的地方，市政府開(kāi)始鼓勵有資格多生孩子的夫妻充分利用這種機會(huì )多生育。
