亲身经验,才是经验。用英语怎么说？

亲身经验,才是经验。

Experience keeps no school, she teaches her pupils singly.

experience

n. 经验，体验，经历，阅历；vt. 亲身参与，亲身经历，感受，发现；

例句
...her experience as a police academy instructor.
她在警校当教官的经历

keeps

v. （使）保持， （使）继续( keep的第三人称单数 )，（食品）保持新鲜，保有，保存；

例句
...the blaming that keeps us looking backward.
迫使我们时时后顾的责难

no

adv. 不，否，一点也没有；adj. 没有的，不许的，一点儿也没有，决不是的；n. 不，否定，否认，反对票，否决票；abbr. 数字(number)，元素锘(nobelium)的符号；

例句
...a crime wave that shows no sign of abating.
丝毫没有减弱迹象的犯罪势头

school

n. 学校，上学，学院，群；vt. 训练，锻炼，教育，教导，约束，给…上学；

例句
I was terrible at school and left with few academic qualifications...
我的学习成绩一塌糊涂，离校时几乎没有学历。

she

pron. 她，它；

例句
Her lover walked out on her after she had aborted their child.
她的情人在她打掉胎儿后甩了她。

teaches

v. 教( teach的第三人称单数 )，教书，训练，教育；

例句
This book teaches you how to analyse what is causing the stress in your life.
这本书教你分析生活压力形成的原因。

her

pron. (she的宾格)她，(she的所有格)她的，她，指某个国家，（一艘）船；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

Pupils

n. 学生( pupil的名词复数 )，瞳孔，弟子，门生；

例句
The selection of pupils for grammar schools was biased in favour of the middle-class child of a small family from a good area...
文法学校招生时偏向于录取来自好地段的中产阶级小家庭的孩子。

singly

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例句
Fenoxaprop applied singly or sequentially controlled barnyardgrass and bearded sprangletop, but failed to control flatsedges or Eclipta.
(口恶)草丙单一或连续使用能有效防除稗草和丛生千金子, 但不能防除莎草和鳢肠.