一般性的陈述，表示一件现在、过去、及未来都不太会变的事

Exercise/Swimming is good for health. 运动/游泳有益健康。

Smoking/Drinking too much is harmful to health.

吸烟/喝太多酒伤害健康。

Mt. Jade is the highest mountain in Taiwan. 玉山是台湾最高的山。

Taipei 101 is the highest building in the world.

台北101是全世界最高的建筑物。

Gold is a valuable metal. 黄金是贵重的金属。

Diamond is a precious stone. 钻石是珍贵的宝石。

It takes about ten hours to fly from Taipei to L.A.

从台北飞洛杉矶大约要十小时。