Again, it depends on the context. If it’s for a one-off event with a lot of people you don’t know, there’s probably no need.
// 倒序遍历：从最后一个元素开始（核心思路！易错点1），更多细节参见同城约会
3+As a consequence of recent legislative activity in [California][cal]。关于这个话题，同城约会提供了深入分析
In the UK, a number of carbon capture clusters are under development, including Scotland's Acorn Project and the Viking project off Lincolnshire.
“In order to be successful, you need to make sure that your gross margin is right and your profit margin is right,” he says of navigating those cost shocks.