私人 | sī rén | private; personal; interpersonal; sb with whom one has a close personal relationship; a member of one's clique |
交易 | jiāo yì | (business) transaction; business deal; CL:筆|笔[bi3] |
担保 | dān bǎo | to guarantee; to vouch for |
平台 | píng tái | platform; terrace; flat-roofed building |