供需

gōng xū supply and demand

平台

píng tái platform; terrace; flat-roofed building

哪

nǎ how; which

na (particle equivalent to 啊 after noun ending in -n)

něi which? (interrogative, followed by classifier or numeral-classifier)

家

jiā home; family; (polite) my (sister, uncle etc); classifier for families or businesses; refers to the philosophical schools of pre-Han China; noun suffix for a specialist in some activity, such as a musician or revolutionary, corresponding to English -ist, -er, -ary or -ian; CL:個|个[ge4]

Jiā surname Jia

jiā see 傢伙|家伙[jia1 huo5]

比较

bǐ jiào to compare; to contrast; comparatively; relatively; quite; comparison

靠谱

kào pǔ reliable; reasonable; probable

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