请查看第三章的第三小节了解更多细节。

Please check the third ___subsection of Chapter 3 for more details.

请在合同的第2.1小节找到付款条款。

Please find the payment terms in ___subsection 2.1 of the contract.

这种蝴蝶被归类为凤蝶属下的一个亚组。

This butterfly is classified under a ___subsection of the genus Papilio.