I told him that this is because behind this word "must" what is lacking is the spirit of negotiation.

我说，因为它背后没有协商的精神。

youdao

It sounds paradoxical, because the idea behind this hypothesis is that the red pigment is made in autumn leaves to protect chlorophyll, the light-absorbing chemical, from too much light.

这听起来很矛盾，因为这一假设背后的理念是，树叶在秋天产生的红色素是用于保护叶绿素这种吸收光的化学物质，以免它吸收过多的光。

youdao

Rather, they are dark because of interstellar dust that hides the stars behind it.

相反，它们之所以是黑暗的，是因为星际尘埃将恒星隐藏在它的后面。

youdao

"And it's just kind of sad too, because all the pictures that you get have this chain-link fence behind it.

VOA: standard.2010.02.17

Because they have so many history behind them ,so much national religious attachment that those things come out so strongly there.

因为有很多历史,国家和宗教的感情在里头,这些因素就很重要。

普林斯顿公开课 - 人性课程节选

I want to back up now because I think it's important to fill in a little bit of the historical context behind that long but important prose treatise.

我想要退回去往前看是因为我认为,补充一些历史背景对于,解读那篇冗长却又很关键的政论是很重要的。

耶鲁公开课 - 弥尔顿课程节选

"I wasn't that bothered at 3-0 behind because I hadn't played badly, " he said.

BBC: CHOOSE A SPORT

Say that you are particularly deserving of a raise because you are behind on your mortgage payments.

FORBES: Investing In Cloudland

Many of whose Shiite members have been detained by the Americans because they were behind sectarian killings.

NPR: Dozens of Iraqi Army Men Arrested in Killings