Singaporeans have the world’s longest life expectancy in 2017 with an expected lifespan at birth of 84.8 years, surpassing Japan (84.1 years) whose citizens traditionally live the longest.

你说的那几个国家早就被新加坡超过了。
牙龙,牛车水中医诊所如你雨后春笋，你要怎么解释？