be aware of its valid time

来源: 于 2009-05-08 19:21:04 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

float 1, should be used by june 30, not accumulated after; float2, starts from july 1, ends dec 31 of the year, not accumulated to next year.

no "rain check" at some point.