Carol felt all alone in the world.

卡罗尔感到自己在世界上无依无靠。

《牛津词典》

You can't help but feel all alone in the world.

你在这世界上就会不自觉地感到孤独。

youdao

He was cold, unloved and all alone in the world, and felt very, very sad.

在这个世上，它又冷，也没人爱，很孤独，它觉得很伤心很伤心。

youdao

But Dr Filippone's response is that there are huge numbers of spent fuel rods sitting around awaiting disposal in nuclear plants all over the world some 80, 000 tonnes in the United States alone and that it makes sense to extract as much energy from them as possible.

ECONOMIST: Nuclear power

By one credible estimate, the U.S. alone spends almost as much (43%) on defense as all other countries in the world combined.

FORBES: Ending The Warfare/Welfare State