苹果

píng guǒ apple; CL:個|个[ge4],顆|颗[ke1]

签名

qiān míng to sign (one's name with a pen etc); to autograph; signature

证书

zhèng shū credentials; certificate

怎么

zěn me how?; what?; why?

zěn me variant of 怎麼|怎么[zen3 me5]

弄

nòng to do; to manage; to handle; to play with; to fool with; to mess with; to fix; to toy with

nòng old variant of 弄[nong4]

lòng lane; alley

lòng variant of 弄[long4]

销售

xiāo shòu to sell; to market; sales (representative, agreement etc)

经理

jīng lǐ manager; director; CL:個|个[ge4],位[wei4],名[ming2]

（ 电报

diàn bào telegram; cable; telegraph; CL:封[feng1],份[fen4]

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