The buyer has the right to cancel the contract unilaterally if the seller fails to ship the goods within the L/C validity.
如果賣方不能在信用證有效期內交貨的話,買方有權單方面取消合同。
As is so often pointed out, knowledge is a two-edged weapon which can be used equally for good or evil.
正像人們常常指出的,知識是一把雙刃刀,可以用于造福,也可以用來為害。