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MARGARET WARNER: Finally tonight: new rules requiring healthier snacks to be sold in schools beginning next year.Ray Suarez has the story. RAY SUAREZ: Estimates suggest that many kids consume at least half their daily calories while at school. The ne
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信用证种类Kinds of L/C 1。 revocable L/C/irrevocable L/C 可撤销信用证/不可撤销信用证 2.confirmed L/C/unconfirmed L/C 保兑信用证/不保兑信用证 3.sight L/C/usance L/C 即期信用证/远期信用证 4.transferable L/C
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1。 revocable L/C/irrevocable L/C 可撤销信用证/不可撤销信用证 2。confirmed L/C/unconfirmed L/C 保兑信用证/不保兑信用证 3。sight L/C/usance L/C 即期信用证/远期信用证 4。transferable L/Cassignable L/Ctransmissible
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