将以下内容标注在信用证上，拍照上传。课本218该信用证的开证行、申请人、受益人是谁？该信用证的当事人有几个？信用证号码、金额、到期日、到期地是什么？这是 什么类型的信用证？为什么？可撤销/不可撤销？ 保兑/不保兑？直接信用证/自由议付信用证?即期/远期？ 可转让信用证？循环信用证？ 直接付款信用证对开信用证？背对背信用证？红条款信用证？备用信用证？Who is the issuing bank, applicant and beneficiary of the credit?How many parties are there to the letter of credit?What is the credit number, amount, expiry date and place of maturity?What kind of letter of credit is this?Why is that?Revocable/irrevocable?Confirmed/unconfirmed?Direct letter of credit/ freely negotiated letter of credit?Sight/forward?Transferable letter of credit?Revolving letter of credit?Direct payment letter of credit?back to back L/C ?Red clause letter of credit?Standby letter of credit?信用证对哪些单据有要求？有什么要求？如何用该信用证进行融资？该信用证的款项如何进行结算？与汇付、托收相比，信用证结算的风险如何？程序如何？有何特点？What documents are required by the credit?What are the specific requirements?How can the credit be used for financing?How will the amount of this credit be settled?Compared with remittance and collection, what are the risks of lc settlement?How is the procedure?What are the features?