to give or offer something for a decision to be made by others

You must submit your application before 1 January. 申请须于1月1日前提交。

The developers submitted building plans to the council for approval. 开发商向市政会提交了待批准的建筑规划。

to suggest

In conclusion, I submit that the proposal will not work without some major changes. 最后，我认为这项提案必须进行重大修改方能实施。

to allow another person or group to have power or authority over you, or to accept something unwillingly

We protested about the changes for a long time, but in the end we had to submit. 我们对这些变动抗议了很长时间，但最终不得不屈服。

She decided to resign from the party rather than submit herself to the new rules. 她不愿遵守新的规定，决定退党。