fèi yòng zhēng yì sī rén shí jiān pī píng yì jiàn gè rén xìn xī tōng cháng shì hé sī liáo

费用争议、私人时间、批评意见、个人信息，通常适合私聊。

Fee disputes, personal time, criticism, and personal information are usually suitable for private chat.