Time of delivery is within 3 month after receipt of the purchase order, down payment or irrevocable confirmed letter of credit, as well as clarification of all technical details.

交货期为收到合同（包括明确的技术附件协议）和预付款（或开具信用证）后3个月内。

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Seller is obligated to request that Buyer amend either this Purchase Order or the letter of credit to resolve any such conflict.

卖方有义务要求买方修改或者本订单或信用证，以解决任何此类冲突。

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Go into every interview hoping you come home with a purchase order, a conditional purchase letter, or letter of interest from the decision-maker.

FORBES: Are You Making Something Usable? Part 6 -- How to do it.