Convenience means task achievement with minimum effort.

方便意味着通过最小的努力完成任务；

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Additionally, I worked closely with an amazing team of our fourteen staff members charged with the task of facilitating a series of sessions on diversity, community and achievement.

WHITEHOUSE: I Love You Too Much to Let You Fail: A Path to Transformational Change | The White House

In security, the task of the next government will be to consolidate Mr Uribe's achievement while adjusting his policies to new threats.

ECONOMIST: ?lvaro Uribe's Colombia

Along with this comes a second task: to preserve the single market, by far the EU's greatest achievement of recent years.

ECONOMIST: The European Union after Ireland's vote