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I reached my hand into my schoolbag, and the schoolbag was empty.

我把手伸进我的书包，发现书包是空的。

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Soon gesture-recognition systems, which will read the occupants' hand gestures in the empty air, will supersede touch screens and capacitive switches, avoiding, among other things, greasy fingerprints on the controls.

WSJ: 2013 Lexus RX 350 F Sport Review: Dashed on the Rocks of the Lexus Dash | Rumble Seat by Dan Neil

The Devils closed the barrage with an empty-net goal to hand the Islanders a 3-0 loss.

WSJ: Penguins hold off Isles despite 3rd-period rally

Inside the arena, Springsteen is walking around the empty seats, a microphone in his hand, giving stage directions.

NEWYORKER: We Are Alive