There are important refinements of these conditions that influence our punctuations.这种种情况有重要的微妙区别，都会影响到我们加标点。From the sound of things, he might be the same man.从种种情况来看，他可能就是同一个人。Students described many instances in which they had felt uncomfortable speaking in class.同学们描述了感觉在课堂上发言不自在的种种情况。