No. Despite an advance warning that has lasted almost two years, the world is ill-prepared to defend itself during a pandemic.
否。尽管预先警告已经发出了将近两年，世界仍没有准备好在大流行期间保护自己。
This gives GAE advance warning of an incoming query. Listing 6 is the custom index that makes querying multiple properties possible.
这给GAE提供一个有关传入查询的预先警告。
This gives GAE advance warning of an incoming query. Listing 6 is the custom index that makes querying multiple properties possible.
这给GAE提供一个有关传入查询的预先警告。
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