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令人担忧的是，如果有足够的机会，该病毒将转变成对人类具有高度传染性并很容易在人际传播的形式，但尚未发生这样的事情。
There is concern that the virus – if given enough opportunities – will change into a form that is highly infectious for humans and spreads easily from person to person, but this has yet to occur.
电影中不仅这座捷克核电站被描述成对奥地利的威胁，而且事件发生后捷克官方还向邻国隐瞒了重要的信息。
Not only is the Czech plant portrayed as a menace to Austrians, but the Czech authorities withhold vital information from their neighbours after the accident.
这发生在（比方说）250 到 300 名用户之间，与之形成对比的是，在 300 到 350 名用户之间出现了非常陡的变化倾斜。
This occurs, for example, between 250 and 300 users, as compared to the steep slope of change for 300 to 350 users.
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