North Atlantic hurricanes only account for about 11% of the world's tropical cyclones.世界只有上大約11%的熱帶氣旋是北大西洋颶風

account for(在數量方面)占

Students account for 50% of our customers.

在我們的顧客中,學生占了一半。

Professor Emanuel is trying to figure out why this might be happening.伊曼紐教授正在設法找出原因

figure out算出；想出；解決；理解；斷定

The boy can't figure out the algebra problems.

這個男孩做不出這道代數題。

I can't figure out why he quit his job.

我琢磨不透他為什么要辭掉工作。

So many they ran out of letters of the alphabet編號時英語字母都用完了

run out用盡；耗盡

We've run out of petrol. What a bore!

我們的汽油用完了.

Food supplies had run out towards the end of the trip.

在旅行快結束時，食物已經吃完了。