I presume you're here on business.

我想你是来这儿出差的吧。

'Had he been home all week?'—'I presume so.'

“他整个星期都在家吗？” “我想是。”

In Madagascar, nearly half of 176 indigenous palm species are endangered or presumed extinct.

在马达加斯加，176种土著棕榈物种中，有接近一半的物种面临危险或被推测已灭绝。

areas that have been presumed to be safe.

被推定为安全的地区。

It is presumed that the hormone melatonin is involved.

人们推测荷尔蒙褪黑激素发挥了作用。

They're resentful that outsiders presume to meddle in their affairs.

他们对外人擅自干预他们的事务怨恨不已。

The legal definition of 'know' often presumes mental control.

“知晓”的法律定义是以假定存在思维控制能力为前提的。