【Viva Lin】評論
error commission: a mistake that consists of doing something wrong, such as including a wrong amount, or including an amount in the wrong place:No liability is accepted for any errors of commission or omission on this website.
【Grace Wang】評論
http://content.edu.tw/senior/english/tp_tt/teachmethod/naturalapproach.htm THE NATURAL APPROACH 自然教學法 (NA)