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来源:雅诚德英语网
There's an old saying in the space world: amateurs talk about technology, professionals talk about insurance.
在航天界有一句老话:外行谈技术,内行谈保险。
There's an old saying in the space world: amateurs talk about technology, professionals talk about insurance.
在航天界有一句老话:外行谈技术,内行谈保险。