下面这两种都可以的,不过具体的应用还要看句子而变化哦,你最好写出你的句子,
some...others
社会对工作岗位的需求是有限的,一部分人得到了,必然另一部分人会失去.如：
Our society has a limited demand for the working positions,so when some people get their jobs,others are sure to lose them.
One part...the other part...如：
One part is for all requirements of cafeteria operation and the other part is for unit menu price
一部分是针对咖啡厅运营的总需求,而另一部分则是关于菜单单位价目表