They almost invariably did their hours on Recreation Duty first, helping with the younger ones in a place where they still felt comfortable.
But invariably the grinning Nines, who in technical violation of the rule had been practicing secretly for weeks, would mount and ride off in perfect balance, training wheels never touching the ground.
There are no more uses of "invariably" in the book.
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I tell myself to go to sleep early, but I invariably end up watching television late into the night.
You better tell her we’re starting earlier. She’s invariably late.