Not only do we have bones over at least a million years from both of these species,我們不僅擁有百萬年前這兩個人種的殘骸

not only不僅

She is not only good at mathematics, but she is interested in English as well.

她不但擅長數學，而且對英語也感到興趣。

He is not only strong and healthy but also very smart.

他不僅強壯健康，而且還很聰明。

at least至少

The mark-up on food in a restaurant is usually at least 100%.

餐館食物的成本加價率通常至少是100%.

She may be slow but at least she's reliable.

她遲鈍是遲鈍，但無論如何她很可靠。

He's working with a pioneer in the study of ancient human behaviour,與他共事的是一位古人類行為研究的先驅

work with與 ... 共事； 與 ... 合作

It was a privilege to work with him.

和他在一起工作是一項殊榮。

We can't always combine work with pleasure.

我們并不總是能在工作中享受到樂趣。