The buyer has the right to cancel the contract unilaterally if the seller fails to ship the goods within the L/C validity.
如果卖方不能在信用证有效期内交货的话,买方有权单方面取消合同。
On his way to the sweet shop, he dropped his fifty pence and it bounced along the pavement and then disappeared down a drain.
在他去糖果店的路上,50便士掉在地上,在人行道上跳了几下,掉进了阴沟里。