In fact, everything we see in our workaday lives, from airplanes, cars, boats, buildings, bridges, tables, chairs, computers and TVs to items as small as cellphones and glasses, has connections that are joined by some kind of weld.
其實，我們生活中觸目所及：飛機、車船、房屋、橋樑、桌椅、電腦、電視，小至手機、眼鏡等大大小小物品，每一環節連接處，都需要焊接技術的彌合。