单独行为说
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目前有合同说和单独行为说两种观点。
Two ideas coexist at present , which are respectively based on contracts and separate actions .
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悬赏广告在现实中大量存在,但对于其法律性质却存在着契约说与单独行为说的激烈争论。
The argument over the characteristics of the reward-offering advertisements is still heated , owing to the existence of the contract theory and the individual behavior theory .