And for those of us that have an environmental element to us, there is something like 40 billion disposable batteries built every year for power that, generally speaking, is used within a few inches or a few feet of where there is very inexpensive power.
对于我们来说，这在环境上的影响是 每年在世界上约有 四百亿节电池被废弃 一般而言，电池 仅仅是在几英寸或几英尺的范围内使用 而且使用成本极低