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。
Don't worry about that. Right now you need to stay still until help comes.
别为这事担心。现在,在有人来之前,你必须要呆着不动。