I think that having a forced voter turnout would only force an uninformed vote.

我认为，强制选民投票的结果是不知情的投票。

对于义务投票制 - SpeakingMax英语口语达人

It's not legally enforceable.

它不具有法律强制性

耶鲁公开课 - 博弈论课程节选

In any event, this is some interesting research opportunity, so again, no obligation, you don't have to do this, I won't even know if you are or not, but I just thought I would present these in the case you might find them interesting things to do.

不管怎样,这都是些不错的研究机会,不过不是强制的,我甚至都不知道你们参加与否,不过我还是会把这些放在这里,这样大家可能会找到一些有趣的事情去做

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选