巴西是世界上国土面积第五大的国家，有530万平方公里的森林覆盖面积——大部分是在亚马逊河流域——但其中只有170万平方公里的森林受国家保护。
Brazil, the world's fifth largest country by area, has 5.3 million square kilometers of jungle and forests — mostly in the Amazon river basin — of which only 1.7 million are under state protection.
加拿大有三分之一的世界淡水，其中大部分是在五大湖。
Canada has one-third of the world's fresh water, and much of it is in the five Great Lakes.
事实上，加拿大拥有全世界三分之一的淡水良，其中大部分都储蓄在五大湖泊里。
In fact, it has one-third of the world's total fresh water, and much of it is in the Great Lakes.
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