franking

例句：

1. A collector of antique cars asked Frank to look out for a1906 gas head lamp.
   一位老式汽車收藏家要弗蘭克留神1906年產的煤氣前燈。
2. The Senate started on the right fool. In1986, it limited its franking budget to half the total appropriation for both chambers. That seemed fair because the100 senators represent the same total number of constituents as the435 House members.
   參院走出了正確的第一步。1986年把參院的免費郵件預算限制在參眾兩院該項預算總和的半數。100位參議員與435位眾議員的選民人數一樣，所以看來這是公平的做法。

英文解釋：

動詞 frank:

1. stamp with a postmark to indicate date and time of mailing
   同義詞：postmark, frank
2. exempt by means of an official pass or letter, as from customs or other checks
   同義詞：frank