back to the world back to the wall 走投無路；落入圈套；陷于困境back to the past 回到過去back to the moon back to the main menu [經(jīng)濟(jì)學(xué)]回到主菜單back to the future timeline back to the drawing board 重新開始；失敗后另起爐灶；重來一次back to the country back to original 歸真back to my roots back to methuselah back to love back to godhead back to black back to basics n. 回復(fù)本原（尤指英國保守黨提出的回復(fù)到理想生活的基本原則的主張）back to back tug [體育]拉背back to back lc [交通運(yùn)輸工程]背對(duì)背信用證back to back fx agreement [經(jīng)濟(jì)學(xué)]背靠背外匯協(xié)議back to back credit import first 輸入為先的對(duì)開信用證back to back credit 背對(duì)背信用證；對(duì)開信貸