This blog is partly devoted to the sharing of my learning of the English language (my well mastered mother tongue is Chinese and I am not an English teacher) and its *cultures*, partly to the current significant trends in Canada and in the world, and partly to my own random thoughts and little life.
I am not religious, but I am somewhat interested in Christianity and Buddhism, among other personal interests.
Welcome. And, have a good day.
Tuesday, October 18, 2011
Normally untreated excrement pollutes water and makes it undrinkable. Then how could ancient people drink water directly from rivers and so on?
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