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。
I told him that if painting was important for him, he would live on bread in order to succeed.
我告诉他说,如果绘画对他很重要的话,那么要取得成功,就得靠啃干面包生活了。