The board voted to nullify the contract after the supplier failed to deliver on time.

由於供應商未能準時交貨,董事會投票決定使該合約無效。

Any changes made without manager approval will nullify your travel reimbursement request.

任何未經主管核准的更改,都會使你的差旅費報銷申請失效。

The court nullified the merger agreement because key financial records had been falsified.

由於關鍵財務紀錄遭到偽造,法院宣告該合併協議無效。