我不会同意这件事，就这么定了。

I won't agree to it and ___that's ___that.

所以，就这样了——别再找借口了！

So, ___that's ___that - no more excuses!

最终投票后，主席宣布：“就这么定了。”会议随即结束。

After the final vote, the chairperson declared, "___That's ___that." The meeting was adjourned.