人们总以为淡水是取之不尽的，实际上淡水资源是很有限的。请谈谈你的看法。
It i generally believed that there i a good upply of freh water。 But to our diappointment， the fact i jut the oppoite。A we can ee， the world population i growing rapidly day by day。 So enough freh water i needed to feed uch a big population。 What' more， with the development of indutry， factorie and vehicle produce poionou gae or wate， which conequently reult in the pollution of water。 Though freh， a good amount of it can no longer be ued。 Only quite limited freh water reource i available to human being。 So it' high time for u human being to take quick action to protect water reource。 Stop pollution and ave water， otherwie， we cannot urvive on the earth。With freh water， the world will be properou。 (130word)