He marvelled that the door should open so often, and that all the people it let out should look so like each other, and so like all the other hot men who, at that hour, through the length and breadth of the land, were passing continuously in and out of the swinging doors of hotels.
There are no more uses of "continuous" in the book.
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The national power grid is under almost continuous attack.
The study indicates that alternating walk and rest was more beneficial than continuous walking for people who suffer from Type 2 diabetes.