those are trivial things, which won't affect communication and

來源: 2011-04-01 05:52:34 [博客] [舊帖] [給我悄悄話] 本文已被閱讀:

which can be corrected over time, however, on the other hand, especially for some other language aspects, it is really important to start good habits right from the very first lessons, for five minutes' exercises in the early stages is worth fifty minutes at a later stage when unproper habits have already been allowed to form.