英文翻译（中译英）：虽然现代化大城市为人们提供了许多设施,但毫无疑问它们也存在缺陷.

Although modern metropolis provide people with a lot of facilities,no doubt they have defects这句怎么翻？（为年老以后的生活而实施的储蓄是很明智的。）It is wise to save for the older age.