The party needs to canvass the uncommitted voters.

这个党需要向未表明态度的选民游说拉票。

《牛津词典》

There was no need to canvass Arab opinion.

但是没有必要征求阿拉伯人的意见。

youdao

The party decided to canvass for support of its new policy.

党决定争取民众对它的新政策的支持。

youdao

Good individual plans are hard to find, so make sure to canvass the entire landscape.

FORBES: Entrepreneurs

Following the meeting the ECB will now employ market researchers to canvass opinion from fans and broadcasters.

BBC: County structure set for revamp

But then the man who thought the two MLAs were on the right track added "and you can say that came from a republican", which also was not necessarily that heartening if you are planning to canvass for votes around unionist areas of Lagan Valley or South Down.

BBC: It's a love 'n hate thing for the new gang of two