扇出

The party concerned, who disobeys precontractual obligations on purpose or by mistake before the contract goes into effect and results in the failure, effectiveness, change and cancellation of the contract, will take liability for culpa in contrahendo.

在合同生效之前，当事人因故意或过失违反先合同义务，导致合同不成立、合同无效或被变更、撤销的，均应承担缔约过失责任。

Manual, recommending birch for treating the purulent wounds, the prolongedly unhealing ulcers, advises:"so that the rotten meat from the ulcer was eaten away, ground birch crust should be poured into the rotten wound ".

古俄罗斯医学手册推荐桦树治疗伤口化脓，prolongedly溃疡愈合，劝告：&使肉烂的溃疡是蚕食、地壳地面桦树应排入烂伤疤&。