Without the greenhouse effect, life couldn't exist on earth.

Life may exist on this planet.

这颗行星上可能存在生命.

The old man found it difficult to exist on his pension alone.

那位老人发现单靠养老金难以生活.

This is enough for life to exist on earth.

这些足够使生命生存在地球上了.

Does life exist on the moon?

月球上存在着生命吗?

Asas they exist, must exist on financial speculation.

只要金融存在, 金融投机就必然存在.

Do they exist on vegetable food?

他们靠植物性食物生存 吗 ?

They seem to exist on a different spiritual plane.

他们似乎生活在不同的精神境界.

It was impossible for them to exist on such a small income.

他们要靠这一点收入生活是不可能的.

Does life exist on other planets?

别的星球上存在生命吗?

He could barely exist on such a low wage.

拿着这样微薄的收入,他只能勉强糊口.

I have to say I didn'teven know Fox Lane Police Station existed till about four or five years ago.

我必须承认直到四五年前我才知道有福克斯巷警察局。

Eons passed before life existed on the earth.

经过数不清的年代以后,地球上才有人类.

Strange ideas existed in his mind.

他脑子里有一些奇怪的想法.

It seems highly unlikely that she ever existed.

她好像压根就没存在过。

This petrifaction may be existed over two million years.

这块化石可能存在超过二百万年了。

Despite its prevalence, schizophrenia has existed behind a wall of secrecy for years.

尽管精神分裂症患者为数众多，但多年来这种病一直被捂着掩着。

The German tank superiority existed only in quality and organization.

德军坦克只不过在性能和编制方面占优势.

The stark contrast between the haves and have-nots has always existed but in a recession the injustices become more painful.

虽然富人和穷人之间一直差距悬殊，但这种不公在经济萧条期愈加显得令人难以接受。

Trees owe their existence to soil.

树木靠土壤生存.

What a wretched existence these people lead in the slums!

住在贫民窟里的这些人生活多可怜 呀 !