"A book is a friend that never lets you down."
每一代人都认为自己比前一代人更聪明,比后一代人更明智。
失意之事,大多是由于洋洋得意所致。
建筑不仅仅是关于建筑物,而是关于让生活更美好
Human activities have become a significant force shaping Earth's climate.