All now buildings must be made accessible, and existing facilities must remove barriers if the removal can be accomplished without much difficulty or expense.
现在所有的建筑都必须是无障碍的，如果拆除没有太大困难或不用花费过多的话，现有的设施必须拆除障碍。
2
An example might include cheaply creating rich models of new products in a virtual world without going to the expense of manufacturing prototypes.
在虚拟世界中低成本创建新产品的多个模型，而不用投入资金制造原型，这就是这方面的一个例子。
3
They can leverage the talents of very smart people working together, without the expense of bringing them together physically.