15-Chinese phrases-mandarin-how to buy something

*Notes

this one= 这个=zhè ge that one= 那个= nà ge some thing=东西= dōng xī how much= 多少钱= duō shǎo qián buy/take=买 = mǎi sale=卖= mài how to sale=怎么卖=zěn me mài i'll take/buy…=我要买…= wǒ yào mǎi… totally= 一共= yí gòng thank you=谢谢=xiè xie goodbye=再见= zài jiàn

how much this one? = 这个多少钱？=zhè ge duō shǎo qián

how to sale this thing?= 这个东西怎么卖？=zhè ge dōng xī zěn me mài?

i'll take/buy this one= 我要买这个=wǒ yào mǎi zhè gè

how much totally?= 一共多少钱？=yí gòng duō shǎo qián?