from "The Gasoline Automobile" by George W. Hobbs and Ben G. Elliott, 1915<br/>舊重型卡車<br/>car、externalsource、historical、transportation、truck、vehicle<br/>汽車、外部源、歷史的、運輸、卡車、車輛<br/>資料來源：openclipart ( https://openclipart.org/ )
a realistically drawn light bulb with yellowish high lights.<br/>燈泡<br/>lampada、lampadina、light、Light bulb<br/>燈、燈泡、光、燈泡<br/>資料來源：openclipart ( https://openclipart.org/ )
coin of 20 euro cent used Clipart: http://openclipart.org/detail/148465/1-euro-by-lolonene<br/>20歐分<br/>cent、coin、coints¬es、euro、finance、financial、money<br/>一分錢、硬幣、coints及注意事項、歐元、金融、金融、錢<br/>資料來源：openclipart ( https://openclipart.org/ )
original photo:www.publicdomainpictures.net/view-image.php?image=5260&picture=borboleta-unique<br/>蝴蝶<br/>animal、borboleta、butterfly、insect、inseto、nature、natureza<br/>動物、蝴蝶、蝴蝶、昆蟲、昆蟲、性質、自然<br/>資料來源：openclipart ( https://openclipart.org/ )
