Companies are required to submit monthly financial statements to the board.

submit 是动词，意思是"提交、呈递"，通常用于正式场合，指向上级或权威机构递交文件、报告等。submit 由前缀 sub-（表示"在...之下"）和词根 mit（来自拉丁语 mittere，意为"发送"）组成，字面意思是"从下往上递交"。