They are __________ a mass production movement.

Hiswife,towhomhe__________forthirtyyears,waschildless.

Nothingcanstopusnow,__________?

英译汉：Theemergenceofthebot-aggregatorexchangeasaprimarysaleschannel,whichemploysrulestoenabletransactions.

发票;发货单 n. i_______________