controversy

争论，争吵

【例】Any disputes, controversies or differences which may arise from the execution of or in connection with this Contract, maybe referred to arbitration.

凡因执行本合同所发生的或与本合同有关的任何纠纷、争议或分歧可付诸仲裁。

convene

召开（会议）

【例】The Director President may convene the Meeting of the Board of Directors on his own judgment.

董事长认为必要时可召开董事会。

convenience

【1】便利，方便

①【例】Seller shall have the option of delivering plant equipment in knocked-down pieces for convenience of transportation.

为了方便运输，卖方有权将成套设备拆件运交。

②可用作定语。

【例】The 24-hour convenience stores [markets] have become popular nowadays.

现在24小时便民商店已很受欢迎。

【2】方便的时候，适当的机会

【例】Please e-mail us acceptance at your earliest convenience.

请早日发电子邮件通知我方接受。