The frog was left alone once again.

这是世界上独一无二的金球。

youdao

Once again he had to readjust to living alone.

他又一次不得不重新适应单独居住。

《牛津词典》

Once again, road transport is the main culprit since it alone accounts for 84% of the carbon dioxide emissions attributable to transport.

再次强调，公路运输是罪魁祸首，因为仅公路运输就占了运输产生的二氧化碳排放量的84%。

youdao

If only fences are mended with the United Nations, they have been encouraged to believe, the world will once again leave us alone.

CENTERFORSECURITYPOLICY: Welcome to World War IV

Our commanders will soon be hard pressed to preserve today's deployments of American forces in Iraq, let alone to have them take up once again the sorts of positions in the urban areas that they held to such therapeutic effect during the surge.

CENTERFORSECURITYPOLICY: Who lost Iraq?

If we'd once again leave the economy alone, non-traditional forms of finance would continue to grow, traditional banks would continue to decline in relevance, and our system of finance would be much healthier.

FORBES