People in the West and China mean diffrent things when they

People in the West and China mean diffrent things when they use the words' yes' and 'no'
In china
the words do not necessarily mean yes or no
feel uneasy to say the words
feel unhappy when the others take his words yes and no seriously
respond to yes and no not as a definite yes or no
能不能对上述几句话举些例子,什么情况下 中国人会做出这种反应,并且翻译一下feel unhappy when the others take his words yes and no seriously 这是什么意思?