1、简言之
... unaided eye （不借助设备的）肉眼 very simply put 简言之 sum total 总数，总额 ...
2、很简单
... 5 hour far from shanghai » 5小时远从上海 very simply put » 很简单 Gecko very tenacious » 壁虎很顽强 ...
3、非常简单明了
that is stealing from sb to pay sb » 这从某人支付某人偷窃 very simply put » 非常简单明了 to select advanced startup options,and then select safe mode » 选择“高级启动选项”，然后选择安全模式 ..