Although Dr Steffen admits that the airline industry has shown no interest in his method so far, he points out that, in principle, there should be no barriers to its adoption.

尽管史蒂芬博士承认，还没有航空公司对他的方法表现出兴趣，但他指出，这个方法实施起来是没有障碍的。

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Although Dr Steffen admits that the airline industry has shown no interest in his method so far, he points out that, in principle, there should be no barriers to its adoption.

尽管史蒂芬博士承认，还没有航空公司对他的方法表现出兴趣，但他指出，这个方法实施起来是没有障碍的。

youdao