a book prepared for use in schools or colleges; "his economics textbook is in its tenth edition"; "the professor wrote the text that he assigned students to buy" 学校または大学で使うために準備された本。
日/英 »
【上位】 a written work or composition that has been published (printed on pages bound together); "I am reading a good book on economics" 出版されている（綴じられたページに印刷された）著作物。
日/英 »
