求翻译：有些同学想待在家中，因为他们认为待在家中不仅花费很少，而且很舒适方便。但是待在家中也有缺点，就是不能亲身了解外界。是什么意思？

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Some students want to stay at home because they believe that they stay at home not only cost is very small and very comfortable and convenient. However stay at home, it also has the disadvantage is that you cannot have personal knowledge of the outside world.

Some schoolmates want to treat in the home, because they thought not only treats spends very few in the home, moreover very comfortable convenient.But treats in the home also the vicious, cannot understand the outside by oneself.

正在翻译，请等待...

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