信用证券

instrument of credit / letter of credit / see also 信用證|信用证[xin4 yong4 zheng4] / CL:張|张[zhang1]

letter / mail / CL:封[feng1] / to trust / to believe / to profess faith in / truthful / confidence / trust / at will / at random

to trust / credit (commerce) / trustworthiness / creditworthiness

trustworthiness / (commerce) credit / (literary) to trust and appoint

to use / to employ / to have to / to eat or drink / expense or outlay / usefulness / hence / therefore

letter of credit

to admonish / variant of 證|证[zheng4]

certificate / proof / to prove / to demonstrate / to confirm / variant of 症[zheng4]

negotiable security (financial) / certificate / stocks and bonds

bond (esp. document split in two, with each party holding one half) / contract / deed (i.e. title deeds) / ticket / voucher / certificate

variant of 券[quan4]