1·One big advantage to ZeroTouch, the researchers say, is its affordability. The research prototype was made using commercially available sensors usually found in TV remote controls.
零触摸板的一个最大的优势是可购性，它的红外感应器就是电视遥控器上的那种廉价的感应器。
2·Many times, product management overlooks upgradeability, profitability, reliability, or affordability.
很多时候，产品管理都会忽略可升级性、可盈利性、可靠性和可购性。
3·Affordability has two aspects.
可购性涉及两个方面。