Theyare__________amassproductionmovement.
英譯漢：Theemergenceofthebot-aggregatorexchangeasaprimarysaleschannel,whichemploysrulestoenabletransactions.
翻譯：credit card
__________werenaturallyamusicalfamily.
Hiswife,towhomhe__________forthirtyyears,waschildless.
口令;密碼 n. p_______________
