经济学人下载:空中巨无霸A380的贬值(2)

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It was only an hour or so later that I discovered that my gun was missing
仅仅约一个小时之后，我发现我的枪不见了。

2.keen on 热衷于，喜爱

I wasn't too keen on physics and chemistry.
我对物理和化学不是太感喜爱。