In British schools, CDT is a practical subject: Craft, Design and Technology. Students learn to design things and then make them with tools — wood, metal, plastic, and later electronics too. “Practical” here means you do not only sit and read: you plan, measure, cut, and build.

In British schools在英國學校裡， CDT is a practical subject CDT是一門實作課： Craft, Design and Technology意思是Craft, Design and Technology（工藝、設計與科技）。 Students learn to design things學生學著設計東西 and then make them with tools再用工具把它做出來 — wood, metal, plastic, and later electronics too木工、金屬、塑膠，後來也加了電子。 “Practical” here means you do not only sit and read這裡的『實作』意思是你不只是坐著讀書： you plan, measure, cut, and build你要規劃、量測、裁切、組裝。

The name CDT was common in the late twentieth century; many schools now call the same area Design and Technology, or D&T, but older exam papers and parents may still say CDT. It is a UK school name, not a world-wide one.

The name CDT CDT這個名稱 was common in the late twentieth century在二十世紀末很常見； many schools now call the same area Design and Technology, or D&T現在很多學校把同一個科目叫Design and Technology，或簡稱D&T， but older exam papers and parents may still say CDT但較舊的考卷和家長可能還是會說CDT。 It is a UK school name這是英國的學校科目名稱， not a world-wide one不是全世界通用的說法。

Taiwan’s closest school subjects are 生活科技 and the older 工藝課, but they are not called CDT.

Taiwan's closest school subjects台灣最接近的科目 are 生活科技 and the older 工藝課是生活科技，還有較早的工藝課， but they are not called CDT但它們不叫CDT。

Though actually, in American English the same three letters almost always mean something else: Central Daylight Time, a summer clock setting in the middle of the United States. If you see CDT next to a clock or a TV schedule, that is the time zone, not the school subject.

Though actually不過， in American English在美式英文裡， the same three letters almost always mean something else同樣這三個字母幾乎都是指別的東西： Central Daylight Time Central Daylight Time（中部日光節約時間）， a summer clock setting in the middle of the United States美國中部一種夏令時間的時區。 If you see CDT next to a clock or a TV schedule如果你在時鐘或電視節目表旁邊看到CDT， that is the time zone, not the school subject那指的是時區，不是學校科目。