Bryan
說
Once popular... 這個句首的片語是寫作時很好的範例，強調出過去曾經如何，但今天情勢已經改變了。
Bryan
說
例句：
Bryan
說
Once popular only in the U.S., credit cards are now used extensively in many parts of the world and often offer good exchange rates.
Bryan
說
Once popular only in Asia, bubble milk tea is now sold around the world.
Bryan
說
Once popular only with teenagers, video games are now played by people of all ages.
藍迪強
說
