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。
Indeed they can have a delightful surprise when they find something useful which they did not know they owned.
确实,一旦无意之中从自己的收藏品中找到某件有用的东西时,可以给人一种惊喜的感觉。