It's because somebody knows something about it that we can't talk about physics. It's the things that nobody knows anything about we can discuss.
📚 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
conj. 因为;
💡 cause, cuse 表原因,目的;司法程序,诉讼
"He was arrested because of his political affiliation."
他因所属政党的关系而被捕。
近义：since, whereas, for, forasmuchas
pron. 某人，有人;
n. 大人物，重要的人物;
💡 some 有些 +body 人→ pron.某人，有人
"There's always somebody at home in the evenings."
晚上总有人在家。
近义：heavy, heavyweight, hotshot, lion, mandarin, mogul
pron. 没有人，无人;
n. 小人物，无足轻重的人;
💡 no无 +body 人→ pron.谁也不；无人
"Nobody can gainsay his claims."
没人能够反驳他的说法。
近义：none
vt. 讨论，谈论;论述，详述;商量;
💡 dis分开，分离+cuss敲打→把问题分开敲→讨论
"We'll discuss this when you're in a better frame of mind."
你心情好些时我们再讨论这件事。
近义：moot, pose, present, propose, propound, raise
反义：hide, mask, occult, shield, shroud, veil
n. 物理学;物理现象;物理成分;
💡 phys物理 + ics 名词后缀, 表示“...学”→ 物理学
"the characterization of physics as the study of simplicity"
把物理学界定为一门探求简单规律的学问
v. 说话;讨论;讲，说;说闲话;
n. 交谈;讨论;报告;空话;
"We suggested that she stop by that evening to talk things over."
我们建议她在那晚顺便来找我们,把事情商量一下.
近义：jabber, kibitz, natter, orate, patter, perorate