Subject + 扩大 + 了 + Object
The verb 扩大 (kuòdà) means 'to expand,' 'to enlarge,' or 'to broaden,' used when something increases in size, scope, or influence. It can be used for both concrete and abstract expansion. For example, 扩大了权利 means 'expanded the rights.'
公司计划明年扩大海外市场。
Gōngsī jìhuà míngnián kuòdà hǎiwài shìchǎng.
The company plans to expand into overseas markets next year.
这次改革扩大了公民的基本权利。
Zhè cì gǎigé kuòdà le gōngmín de jīběn quánlì.
This reform expanded the basic rights of citizens.
他们决定扩大生产规模来满足需求。
Tāmen juédìng kuòdà shēngchǎn guīmó lái mǎnzú xūqiú.
They decided to expand the scale of production to meet demand.