Word puzzle for Chapter 15 (汇票、本票、支票、信用证)

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Across
  1. 2. an official certificate evidencing the failure to pay
  2. 5. the advancing or agreeing to advance funds to a seller once he presents the right documents
  3. 7. the bank is the one which delivers the L/C to the seller
  4. 12. when the holder is not paid, he should pursue the right of
  5. 13. the seller in whose favor the credit is issued
  6. 14. sb. who is paid in bill of exchange
  7. 15. a demand to pay or accept the bill of exchange
  8. 16. most L/Cs are ones.
  9. 18. a bill of exchange drawn on a bank payable on demand
  10. 19. sth showing differences, mismatch, or failure to comply with
  11. 20. draft is paid immediately on presentation to the drawee
Down
  1. 1. L/C is a definite of the issuing bank to pay
  2. 3. note is a promise to pay
  3. 4. signing the back of the draft to transfer rights
  4. 6. on the date of draft, sufficient payment is paid
  5. 8. an agreement made by the drawee to pay in the future
  6. 9. a bill of exchange is an order
  7. 10. bill of exchange
  8. 11. the process in which the L/C terms are modified
  9. 17. to show a definite undertaking of paying by a nominated bank