But even with enough space and good equipment, a school is not ensured to be a good one unless there are experienced headmasters and qualified teachers.
但即使有了足够的空间和优良的设备，也不能保证其一定能成为一个好的学校，除非具备有经验的校长和合格的教师。
I heard that there are many knowledgeable and experienced teachers on the internet, who sometimes will have class for free, even they will open one by one class.
我听说在互联网上有很多知识渊博、经验丰富的老师，而且他们的课有时候是免费的，甚至他们有时会一对一的开班。
David is one of the teachers who are experienced in teaching beginners.
大卫是教授初学者有经验的教师之一。
David is one of the teachers who are experienced in teaching beginners.
大卫是教授初学者有经验的教师之一。
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