determining Employment visa number availability? 啥意思

来源: 于 2007-07-17 15:48:36 [旧帖] [给我悄悄话] 本文已被阅读：次

After consulting with Citizenship and Immigration Services, the Visa Office advises readers that Visa Bulletin #107 (dated June 12) should be "relied upon as the current July Visa Bulletin for purposes of determining Employment visa number availability"

这最后几个词啥意思啊?determining Employment visa number availability?