On the contrary , some opppsite point of views can not examined by the experiences and must be dropped out and instead 反对者的诸多理由虽然看似允当，但却经不起理论推敲和实践检验，是因循守旧、观念落后的一种表现，因而不足采信。
2.
Concerning the characters of the preemptive right , different scholars have different opinions , for example , regard it as the right of claim , the right of formation , the conditional right of formation , the right of gaining real right , the expectative right , the real right , the claim or the compromise of the above 关于先买权的性质，学界有请求权说、形成权说、附条件形成权说、物权取得权说、折衷说、期待权说、物权或债权说等不同观点，文章通过对各学说的优劣分析，认为附条件形成权说较为允当。
