The fifth part does some legal consideration of perfecting the system of Clausula Rebus sic Stantibus .
第五部分对完善我国情事变更制度进行了法律思考。
2
The third part analysis whether this contract could apply to the system of Clausula Rebus sic Stantibus.
第三部分对本案合同能否适用情事变更制度进行了分析。
3
The first , explaining the system of Clausula Rebus sic Stantibus, and then analyzing whether the fact in this contract belonged to Clausula Rebus sic Stantibus;