程序最重要的属性是它是否实现了用户的意图。
"The major threats to survival that our ancestors faced - predators, starvation, disease - left their mark on our fears and anxieties."
地理学是研究地方的科学。它的视野宏大,视角全景。
It is a curious fact that strikingly similar formations are found on opposite sides of the Atlantic.
一个有趣的事实是,大西洋两岸发现了惊人相似的地层构造。