31. The maximum plus or minus the minimum makes minute difference.
最大值加上或者减去最小值只产生极小的差异。
minus [ˈmainəs]
prep.减(去) n.负数；减号 a.负的，减去的
– Seven minus three equals four (7-3 = 4). 七减三等於四.
minute [ˈminit, maiˈnju:t]
n.分钟；片刻；立刻[ pl.]会议记录 a.微小的
– He can discriminate minute variations in tone. 他能辨别出音调的细微变化。
32. The witty witness withdraws his words within minutes without any reason.
诙谐的证人在几分钟之内无故地收回了他说的话。
witty [ˈwiti]
a.机智的
– He had an ugly, sickly, witty, charming face. 他的脸丑陋，充满病态，但是机智而带有一股魅力。
witness [ˈwitnis]
n.目击者；证据(言) vt.目击；作证
withdraw [wiðˈdrɔ:]
vt.收回，撤消，撤退 vi.缩回，退出，撤退
– The government withdraws worn out money from use. 政府收回旧币使之不再流通。
within minutes
在几分钟之内
without any reason
无缘无故
33. The cake maker shakes a naked snake with the quaking rake without sake.
蛋糕制造者无缘无故地用抖动的耙子摇一条赤裸的蛇。
shake [ʃeik]
n./ v.摇动，摇；(使)颤抖，震动 (shook, shaken)
– He shook his head in disapproval. 他摇了摇头表示反对。
quake [kwek, kweik]
n.地震(非正式用语)
rake [rek, reik]
n.耙；斜度 vi.耙；核查 vt.耙；扫射
sake [seik]
n.缘故，理由
without sake
无缘无故
= Without any reason