个人

gè rén individual; personal; oneself

知识

zhī shi knowledge; CL:門|门[men2]; intellectual

付费

fù fèi to pay; to cover the costs

平台

píng tái platform; terrace; flat-roofed building

免费

miǎn fèi free (of charge)

搭建

dā jiàn to build (esp. with simple materials); to knock together (a temporary shed); to rig up

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