GETTING MY WHICH IS CHEAPER ENERGYAUSTRALIA OR ORIGIN TO WORK

知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。The this means is obvious to me. Having said that, I have looked it up from the dictionary and I have never found any illustration sentence demonstrating "to check for". Could it be suitable? Wouldn't "to check" just suffice?As section of such adjus