仅仅那山学会下一而是不够的，种大需里当上如有阳光、自由，和一点花的芬芳。
"The past is a foreign country; they do things differently there."
可持续的基础设施应该平衡经济、社会和环境的效益。
The chief beauty about time is that you cannot waste it in advance. The next year, the next day, the next hour are lying ready for you, as perfect, as unspoiled, as if you had never wasted or misapplied a single moment in all your life. You can turn over a new leaf every hour if you choose.