3. The City of Song p.13

    Listening to music is the favorite pastime¹ of many people all over the world. This is especially true for people living in Vienna, the city of song. Being the home of Mozart, this city is the birthplace of classical music and the waltz.

    Music fills the air in Vienna. Going to public concerts is often free of charge. And don't forget, Vienna is also home to the world famous Vienna Boys' Choir². No wonder people say Austria is always alive with the sound of music.

    Austria   Australia

    potbelly 大肚皮     He is a potbelly.

    jog 慢跑

    the world over  adv. = around the world = throughout the world = all over the world

    maestro  艺术大师，名作曲家

    birthplace 发源地，诞生日

    classical 古典的   classic 经典的

    be free （of charge） 免费     This sample is free of charge.

    be enslaved by 被……奴役

    be home to / be homed of  发源地，老家

    chore 杂物（可数）

    no wonder + clause  adv.难怪     No wonder Bruce is in such a good shape, he excercises every day.