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 |