哪个

nǎ ge which; who

平台

píng tái platform; terrace; flat-roofed building

有

yǒu to have; there is; there are; to exist; to be

求

qiú to seek; to look for; to request; to demand; to beseech

购

gòu to buy; to purchase

信息

xìn xī information; news; message

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