译文：儿孙们自有他们的幸福，作为长辈就不要为儿孙们操心了。赏析：父母总是为儿女们操心太甚，可儿女们未来的路必须要靠他们自己走。所以，为人父母要学会放手，让儿女们在社会中历练，不断成熟起来。

"Books are the windows to other possibilities."

Liberal democracy may constitute the "end point of mankind's ideological evolution" and the "final form of human government," and as such constituted the "end of history."

服务实体经济是银行业的根本使命。

"Theoretical computer science is not just about algorithms and data structures; it's about understanding the fundamental limits of computation."