本人感觉网上购物有长处也出缺点，长处是便当快捷，在电脑前就能够完成一切操作，省去了逛街的时间。

I think that online shopping has advantages and disadvantages, the advantage of convenient, in front of the computer can complete all operations, eliminating the need for shopping time.

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例如，在商业的活动中，一个常规的货物可能到港，并需要与另一批到期货物在继续航运前合并，一切都可以通过信用证完成。

For example, in a trader's business, a regular shipment may arrive in port and require combination with another shipment due, before being shipped on, all this done under a DC.

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