我希望能为那些至今仍无力购买一辆车的家庭提供安全实惠的四轮车。
I hope it will provide safe, affordable, four-wheel transportation to families who till now have not been able to own a car.
该机器人代表了新一代的装配机器人，他们更轻、更安全，且比以前更实惠。
The robot represents a new generation of assembly-bots that are lighter, safer and more affordable than before.
价格实惠，安全系数高。
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