无因行为 meaning in English

act without consideration

In regard to the three forms of transfer : mancipatio , in iure cessio and tradizione , mancipatio and in iure cessio belonged to abstract act . the ground of the abstraction lied in fiction . in mancipatio the law supposed a business relation and in in iure cessio the law supposed a judicial decision . tradizione experienced a transformation : from complicated act via simply act to complicated act and from abstract act to act with causa . the german law inherited this kind of development trend of the roman law
就给付的三种主要形式? ?要式买卖、拟诉弃权和让渡来看,前两者属于无因行为,其无因的机理在于法律的拟制:在要式买卖中法律拟制了一个买卖关系,在拟诉弃权中法律拟制了一个司法判决;而让渡则经历了一个由复杂到简化再到复杂、由有因到无因的过程。