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。
It sped downhill at the end of the race and its driver had a lot of trouble trying to stop it.
它在接近终点时,冲下了山坡,驾驶员费了好大劲才把车停下来。