The moral hazard problem in this article is measured by the care level of injurer.

本文中道德风险主要是通过致害人的看护水平来。

For the tort based on omission, Legalasks for injurer assuming corresponding liability, it is based on action duty of injurer.

于于的侵权行，法律要苛以加害人承担相应的责任，必须以加害人负有义务前提。