It's simple. It's just things with chalk on a board.
📚 名句词汇解析
从本句名言中提取的重要词汇，帮助你深度理解这句话
adj. 简单的;单纯的;易受骗的;天真的;
n. 笨蛋;愚蠢的行为;出身低微者;
💡 sim(one by one)+ple(fold)→简单的；朴素的；单纯的
"her austere bedroom with its simple narrow bed"
她那仅有一张窄床的简陋卧室
近义：uncomplicated, basic, cushy, doss, easy, facile
反义：arduous, intricate, labored, laborious, onerous, painful
n. 粉笔，白垩;用粉笔画的记号;〈英〉（比赛）得分纪录，记入借方的款项;〈美俚〉牛奶;
v. 用粉笔写（记下）;用白垩粉擦（桌球杆等）;使苍白;（英）把（酒钱）记于（某人）账上;
💡 chalk(lime石灰)→白垩；粉笔；粉笔做的记号；用粉笔写
"the chalk cliffs of southern England"
英格兰南部的白垩质峭壁
近义：chalky, cretaceous
n. 板;董事会;甲板;膳食;
vt. 上（船、车或飞机）;收费供…膳宿;使搭伙，使寄宿;强行登（船）;
vi. （火车、轮船、飞机等）接受乘客;搭伙，寄宿;
"Don't worry; the deal was completely above board."
别担心，交易是完全合法的。
近义：blackboard, chalkboard, host, house, keep, lodge