Liu argues that there is nothing unusual about the extent of such unpleasantness on line: profs may be slandered there, but they were slandered in the old "black letters"; and postmen's sacks are loaded down with junk mail too.
劉大川認為，不管是在網路裡中傷老師、或商業廣告行為，和現實生活中的黑函、信箱收到的垃圾廣告比較，兩者比例相稱的話，都是正常的。