在现实中，它不是那么容易的事。

In reality, it isn't so easy to do.

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但是装有线电视线和天线线并不是那么容易的事。

But running cable or antenna wire to the TV probably won't be so easy.

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要除去圆珠笔、钢笔、美术作品墨水留下的污渍，可不是那么容易的事，却也可行。

Removing ink stains caused by biros, fountain pens and artist's ink from clothing is not an easy task but it is doable.

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