Home Talk Free Talk 미국에서는 왜 수돗물을 먹나요? 미국에서는 왜 수돗물을 먹나요? Home Forums Talk Free Talk 미국에서는 왜 수돗물을 먹나요? EditDelete 1 204.***.247.103 2014-10-2907:32:08 I know few PhDs who drink tap water. No filtering involved. Therefore, your assumption is wrong.
