So, you should know that there's four radial nodes, right, we have 5 minus 1 minus l -- is there a question?

你们要记住这里有四个节点，对吧，5减去1减去l，有问题吗？

youdao

As you know, we should work out cautious and detailed plan for our promotion, so as to guide our company to be successful in the new product, L-series.

正如你所知道的，对于我们的促销活动，我们应该给出一份比较谨慎而且详尽的计划，从而指导我们公司能够成功对L系列的新产品进行推销。

youdao

So, you should know that there's four radial nodes, right, we have 5 minus 1 minus l -- is there a question?

你们要记住这里有四个节点，对吧，５减去１减去ｌ，有问题吗？

麻省理工公开课 - 化学原理课程节选