所以，这条线是主要的一面,还有第二面。

So the line is the primary side and the secondary side.

youdao

如今，尽管科学研究明确了气候变化的现实，却危险地忽视了其主要方面——有关人类的一面。

Science is now unequivocal as to the reality of climate change. However, one facet - its human face - has been dangerously neglected.

youdao

辛迪觉得弗兰克为她做的事会多于马丁为她做的事，这么想主要是因为弗兰克和辛迪都把各自好的一面展现给了对方。

While Cindy was thinking that Frank might have more to offer her than Martin, the truth was that Cindy and Frank were on their best behavior with each other.

youdao