Thee second chapter is the nature of precontract.

第二章为预约合同的性质。

Please precontract 10-15 days in advance if join training.

欲参加培训请提前10 - 15天预约，谢谢合作！

The second part is to analyze the legal effect of the precontract.

第二部分是对预约法律效力的分析。

The precontract is a kind of contract to agree to work out a certain contract in the future.

预约是约定将来订立一定合同的合同。

The second section discusses principle ofliability for breach of precontract, clarify that fault principle should be appled.

第二节论述了预约合同违约责任的归责原则，指明预约合同的应当以过错责任为归责原则。