这是航空业最大的危机，而且危机将进一步升级。
It is the biggest crisis in aviation and the crisis will be increasing.
技术的提升和管理的升级是连锁超市业的竞争核心。
The technology lifting and administrative promotion are chain supermarkets job competition core.
技术的提升和管理的升级是超市业的竞争核心。
The technical promotion and the management promotion is the supermarket industry competition core.
技术的提升和管理的升级是超市业的竞争核心。
The technical promotion and the management promotion is the supermarket industry competition core.
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