Gesamtschuld performance is reflected in the legal effect of both internal and external.
不真正连带债务的法律效果表现在内部与外部两方面。
Internal effect and external effect might come into being in the enforcement of the right.
又，承租人行使优先购买权，有可能产生对内、对外两种效力。
Internal effect and external effect might come into being in the enforcement of the right.
又，承租人行使优先购买权，有可能产生对内、对外两种效力。
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