✔ 最佳答案
Till
E.g. I can't attend the meeting till noon.
There is a famous saying of "TILL," - Till death do us part.
Until
e.g. The product will not be available until one week later.
2009-03-18 04:22:35 補充:
http://www.gmat.com for the part of UNTIL example.
2009-03-18 06:06:34 補充:
For usage of these two words, can go to the following website for reference:
http://crofsblogs.typepad.com/english/2005/05/till_and_until.html