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在商品经济的当今社会中、无论做什么事都要讲经济效益,教育也不例外.在这一方面.自制教具和工业化教具产品比起来有很多的优势.首先,它的材料成本低.自制教具的材料大多是随手可得的廉价物品.甚至是工业废料或生活中的废品 其次,它的制作成本低,加工条件和工艺过程都比工业化教具简单.再者,自制教具基本是自制自用,因而也无须考虑包装及运输费用.常常是这样,为了达到同一个教学目的,通过自制教具可以比购买工业化教具节省许多的花销.就是在发达国家里自
In the present-day society of the commodity economy, no matter what you do, you should talk about economic benefits. Education is no exception. In this respect, self-made teaching aids and industrialized teaching aids have many advantages compared to their products. First, their material costs are low. Most of the teaching aid materials are readily available cheap items. Even industrial waste or waste products in life. Secondly, its production costs are low, processing conditions and processes are simpler than industrial teaching aids. Furthermore, self-made teaching aids are basically self-made, Therefore, there is no need to consider the packaging and transportation costs. Often, in order to achieve the same teaching goal, self-made teaching aids can save a lot of expenses compared to the purchase of industrialized teaching aids.