I plan to attend the conference and would like information about the contributory speakers, the content of their talks, and their research interests.

我打算参加该会议，想要了解一些关于主要讲话人及其谈话内容和研究兴趣等方面的信息。

youdao

The system had to be funded entirely by a payroll tax levied half on employers and half on workers, so that it could be presented to the nation as a sort of contributory insurance plan.

CNN: A Debt-Threatened Dream