B 开头单词
back to the wall 走投无路;落入圈套;陷于困境
back to the past 回到过去
back to the main menu [经济学]回到主菜单
back to the drawing board 重新开始;失败后另起炉灶;重来一次
back to basics n. 回复本原(尤指英国保守党提出的回复到理想生活的基本原则的主张)
back to back tug [体育]拉背
back to back lc [交通运输工程]背对背信用证
back to back fx agreement [经济学]背靠背外汇协议
back to back credit import first 输入为先的对开信用证
back to back credit 背对背信用证;对开信贷