?? 詞語組成解析
non
[[n?n]]
adv. 非, 不
certification
[?s?:tifi'kei??n]
n. 證明，鑒定，證書;
??? 情景例句
What line of work are you in?
你做哪一行的？
East or west, home is best.
在家千日好，出門時時難。
I'm afraid I didn't, officer.I must have been dreaming.
恐怕我沒有看見，警官。我一定思想開小差了。