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Grammatical knowledge is traditionally viewed as the most important so that formal instruction is made the goal of English language teaching and the ability of using the language is totally neglected.

传统观念强调语法知识为英语教学中最重要的因素，以至把知识教学作为英语教学目的，而完全忽视了学生能力的培养。

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Unlike those studies, this one shows that the link between number sense and maths ability is already present before the beginning of formal maths instruction.

与先前的研究不同，此次结果表明，在儿童接受正式的数学教育之前，他们的数字感和数学才能已经建立了联系。

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Unique mastery of the craft is passed to young girls through years of informal exposure and then formal instruction by their mother or grandmother in applying cotton thread to linen.

UNESCO: Lefkara Laces or Lefkaritika

The implication is that students and the business world are too crude to have a tacit understanding of right and wrong and need formal instruction in how to recognize the difference.

FORBES: The Dumbing Down Of Business School

He took up formal drum instruction at age 10 and began studying jazz two years later, citing the work of masters like Art Blakey, Philly Joe Jones, Max Roach, Tony Williams, Elvin Jones and Roy Haynes as early influences.

WSJ: Those Infectious Punjabi Dance Rhythms | Sunny Jain | Red Baraat | By Martin Johnson