然而，体积更小、重量更轻、效率更高的电源产品仍是人们不断努力和追求的目标。

However, there is no end to the demand for a smaller, more efficient power supply.

youdao

然而，体积更小、重量更轻、效率更高的电源产品仍是人们不断努力和追求的目标。

However, there is no end to the demand for a smaller, more efficient power supply.

youdao