jīn róng > bot tóu 
  bot shì build-operate-and-transfer de suō xiě wéi jiàn shè héng jīng yíng héng jiāo zhǐ gēn tóng 'ān páixiàng chéng bàn zhě chéng dān jiàn zàobāo kuò gāi shè shī de róng wéi jīng yíng gāi shè shī dìng shí bìng yǔn duì shè shī de shǐ yòng zhě shōu de shǐ yòng fèichóu jīn jīn fèi yòngdàn chāo guò tóu biāo shū jiàn de huò tán pàn bìng xiàn zài tóng zhōng shǐ xiàng chéng bàn zhě néng gòu shōu huí de tóu jīng yíngwéi fèi yòngzài guī dìng de xiàn jiāng gāi shè shī jiāo gěi zhèng zhèng gòu huò zhèng kòng zhì de gōng huò fāng yòu guān zhèng ménbot tóu de shí zhì shì zhǒng zhài quánxiàng hùn de chǎn quánxiàng chéng bàn zhě duì xiàng mùdì shè xúngōng huò shī gōng shí xíng lǎn zǒng chéng bāo
  bot de yǎn huà fāng shì hái yòu
  bt( build-and-transfer), zhǐ jiàn zào jiāo
  boo(build-operate-own), jiàn shè héng jīng yíng héng yōng yòu
  boot( build-operate-own-transfer), jiàn shè héng jīng yíng héng yōng yòu héng jiāo
  blt( build-lease-and_transfer), jiàn zào héng yòng héng jiāo
  bto( build-transfer-operate) jiàn zào héng jiāo héng jīng yíng
  dot( develop-operate-and-transfer) zhǐ kāi héng jīng yíng héng jiāo
  rot( rehabilitate-operate-and-transfer) zhǐ xiū héng jīng yíng héng jiāo
  roo(rehabilitate-operate-and-own), zhǐ xiū héng jīng yíng héng yōng yòu
  rol(rehabilitate-operate-and-leaseback), xiū héng jīng yíng héng huí
  rom(rehabilitate-operate-manage) xiū héng jīng yíng héng guǎn
  bmt( build-manage-and-transfer) jiàn zào héng guǎn héng jiāo