We usually accept payment by irrevocable L C payable against shiping documents.
我们一般用不可撤销信用证,凭装运单据结汇付款方式。
Carver Mead, a pioneer in integrated circuits and a professor of computer science at the California Institute of Technology,
卡弗。米德 -- 集成电路的一位先驱,加州理工学院的计算机教授 --