明 归有光 《<宋史>论赞·张齐贤》：“其略於简细，固亦宜然。”
第一、学习英语应该遵循由简入繁、由易到难、由粗至细的原则。
I. Learning English should follow the principle from simple to complex, from easy to difficult, and from rough to subtle.
循序渐进原则。学习英语应该遵循由简入繁、由易到难、由粗至细的原则。
Learning English should follow the principle from simple to complex, from easy to difficult, and from rough to subtle.
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