实际上海水是取之不竭的，不幸的是淡水总量有限。
We actually have an infinite amount of ocean water; unfortunately we don't have an infinite amount of freshwater.
布罗德·贝克是法国珍珠出口商人。他说，中国淡水珍珠现在占据世界珍珠生产总量的大约95%。
Didier Brodbeck, a French pearl expert, says Chinese fresh water pearls now account for about 95 percent of the world's total pearl production.
目前，农业耕作活动使用了全球70%的淡水资源，排放了超过全球总量13%的温室气体。
Farming practices currently use more than 70 percent of freshwater resources and contribute more than 13 percent of greenhouse gases.
应用推荐