elect是什么意思？

And people who elect to track their sleep may try to get more sleep than the average person.

Hall's findings suggest there's an argument to be made for electing to use African American, though one can't help but get the sense that it's a decision that papers over the urgency of continued progress.

Just one week after Obama was elected president, participants were less ready to support policies designed to address racial inequality than they had been two weeks before the election.

He has been successfully elected Prime Minister.