Graduation stole or academic stole: Depending on context, the above question could have an almost whimsical feel to it. Why do you think the sky is blue?
Is it acceptable to use at this time when referring to a specific point in time in the past? The questioner might not really be concerned with finding. 知乎,中文互联网高质量的问答社区和创作者聚集的原创内容平台,于 2011 年 1 月正式上线,以「让人们更好的分享知识、经验和见解,找到自己的解答」为品牌使命。知乎凭借认真、专业.
While in the process of telling a story, for example, that happens completely in the past?