不完全给付理论的提出是对原有给付障碍法体系（包括给付不能和给付迟延两种情形）的冲击和发展，弥补了法律的漏洞。
The theory of inadequate performance has an effect on the original system of performance obstacle , which includes two forms of impossibility of performance and deferred performance , and makes up the leak of the law .
给付迟延