Segmentation is when something divides, or is divided, into smaller parts. You can see it in a worm: the body is a row of little units.

Segmentationsegmentation is指的是 when something divides, or is divided, into smaller parts某個東西分裂，或被分成更小的部分。You can see it你可以看到這個現象 in a worm在蟲身上: the body is a row of little units身體是一排一排的小單位。

A company may talk about market segmentation — cutting one big group of buyers into smaller groups. A computer person may talk about cutting a picture into regions, and still use this same noun.

A company may talk about公司可能會談到 market segmentationmarket segmentation（市場區隔）——cutting one big group of buyers into smaller groups把一大群買家切割成更小的幾群。A computer person may talk about電腦領域的人可能會談到 cutting a picture into regions把一張圖片切成好幾個區域, and still use this same noun用的還是同一個名詞。

The idea is one whole marked into bits.

The idea is核心概念就是 one whole marked into bits把一個整體分成好幾塊。

The word is a little schoolish and workish. Everyday English more often says splitting, dividing, or cutting up. Though actually, in science class and in business English, segmentation is the normal noun; people do not hear it as fancy, just as the specialist’s word for “dividing into pieces.” It is not about keeping groups of people apart — that is segregation, a different family.

The word is這個字 a little schoolish and workish有點學術味、也有點公事公辦的感覺。Everyday English more often says日常英文比較常說 splitting, dividing, or cutting upsplitting、dividing 或 cutting up。Though actually不過其實 in science class and in business English在科學課和商業英文裡, segmentation is the normal nounsegmentation 是很正常的名詞; people do not hear it as fancy大家不會覺得它很花俏, just as the specialist's word for "dividing into pieces"只是專家用來說「分成好幾塊」的字。It is not about keeping groups of people apart它跟把人群隔開沒有關係——that is segregation, a different family那是 segregation，是完全不同的一個字。