关于这个问题，有很多原因。一个主要原因是车辆增加的数量远快于道路的建设。另一个主要原因是私家车过多而公交车不够。

There are several reasons for this problem. One of the main reasons is that the number of vehicles is increasing much more rapidly than building of roads.

youdao

有一些主要原因。其中一个原因是……，另一个原因是……，而最经常被强调的原因是…… …

There are some major causes for… One cause is… Another cause is… And the most frequently stressed cause is…

youdao

一个大原因是……。另一个原因是……。

For one reason... For another reason...

youdao

Another reason I wanted to point this out in terms of the polar coordinates that we're using, is I think they're actually flipped from what you're used to seeing in physics.

另一个我想指出,我们采用极坐标的原因是，我认为它们实际上是,从你们习惯于看到的物理学中出来的。

麻省理工公开课 - 化学原理课程节选

The other reason we teach it here, in addition to it being simple, is that it's incredibly useful.

这种思想的原因之一，另一个原因,是除了简单它还十分有用。

麻省理工公开课 - 计算机科学及编程导论课程节选

Another is that we learned a lot of things about engineering of public systems, like water supplies.

另一个原因是,我们懂得了有关公共系统知识,比如供水系统

耶鲁公开课 - 生物医学工程探索课程节选