开发

kāi fā to exploit (a resource); to open up (for development); to develop

一

yī one; 1; single; a (article); as soon as; entire; whole; all; throughout; "one" radical in Chinese characters (Kangxi radical 1); also pr. [yao1] for greater clarity when spelling out numbers digit by digit

个

gè variant of 個|个[ge4]

gè individual; this; that; size; classifier for people or objects in general

app 需要

xū yào to need; to want; to demand; to require; requirement; need

多少钱

duō shao qián how much money; how much?

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