Of risk by consumers due to issues of intangibility

消费者的风险，由于无形的问题

Witness standard is characterized by intangibility, obscurity, legality, as well as minimum.

证明标准具有无形性、模糊性、法律性、最低性等特征。

The 3rd must maintain curiosity to new thing, without curiosity, also with respect to intangibility new opportunity.

第三必须对新的东西保持好奇心，没有好奇心，也就不能把握新的机会了。