< p >最近,我注意到一个高速公路和河流的声音相当类似。这让我觉得他们说从高速公路噪声污染造成压力,即使你没有注意到它。So, the question is: "Can the noise from a river also be considered as noise pollution (for humans) and cause similar levels of stress." Disclaimer: I am not really familiar with environmental sciences