名词参加，参与; 分享

名词

1. They wanted more direct participation in the solution of steel production problems.
他们要求更多的直接参与解决钢铁生产的问题。

noun

1. the act of sharing in the activities of a group

e.g. the teacher tried to increase his students' engagement in class activities

Synonym: engagementinvolvementinvolution

2. the condition of sharing in common with others (as fellows or partners etc.)

Synonym: involvement