Even China’s population will be declining by the early 2030s, according to the UN, which projects that by 2050 populations will be lower than they are today in 50 countries.
【核心詞彙】
declining a.下滑的，衰退的
project v.表達，投射
according to根據
【結構分析】
本句主幹是Even China’s population will be declining by the early 2030s, according to the UN，其後的which引導的定語從句which projects that by 2050 populations will be lower than they are today in 50 countries修飾先行詞UN，關係代詞在從句中作主語，注意這裏project是動詞，充當謂語，譯爲“指出”，後面的'that引導賓語從句。
【參考譯文】
聯合國有關報告指出，即便是中國，到2030年初期人口也將開始下降。這份報告還指出，到2050年，將有50個國家的人口低於今天的水平。
