No extra airlines charge very low prices for most flights.
航空公司对大多数航班都收取很低的价格。
One of the student inventors, Camila Rupcich, says the device changes the energy released from the plant into low-level power to charge phones.
其中一名学生发明者卡米拉·鲁比奇表示,该设备将植物释放的能量转化为低能级电流,为手机充电。
Vendors should provide very low entry points, charge for set-up and deployment at cost, and let the users themselves prove the value of their services.
供应商应该把门槛降得很低,只需(客户)支付安装部署的成本,并让用户自己去证明其服务的价值。