atinon的用法和區別各是什么

　　People tend to work hard at this stage of life.

　　人在這個人生階段往往發奮努力。

　　In our company, quality is high on the agenda.

　　我們公司高度重視質量。

　　The university is on the left bank of the river.

　　大學在河的左岸。