埃塞俄比亚在声明中说，坠机事件尚“没有确定解释”。事故发生在黎巴嫩首都附近，当时正有暴风雨天气。
The Ethiopian statement says there is "no definitive explanation" for the crash near the Lebanese capital, which occurred during stormy weather.
然而，尽管天文学家已经确定古代中国人观测到的是一颗超新星，但没有解释现在所看到的景象。
However, when astronomers had determined that what the Chinese had seen was a supernova, it didn't explain what they could see in modern times.
而且还招来了很多没有预料到的产品债务。 用户很难确定GPL协议下的产品是否侵犯第三方知识产权，就连GPL都很难解释它旗下软件的所有权是否真的符合GPL条款。
Furthermore, it could be difficult to determine whether open source software infringes on third-party intellectual property rights, McAfee said.
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