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Jyutping seon3 jung6 zing3 hyun3
Pinyin xìn yòng zhèng quàn

Definitions (CC-CEDICT)
  1. instrument of credit
  2. letter of credit
  3. see also 信用證|信用证[xin4 yong4 zheng4]
  4. CL:張|张[zhang1]