A polite greeting to the elevator operator, a thanks to the mail delivery person and a kind word to the assistants will be appreciated.

对电梯操作员礼貌问候，对邮递员表示感谢，对助理说句友善的话，这些都会得到赞赏。

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An operator control may be connected to the control unit for controlling the fluid delivery system and may be a handheld device.

操作者控制器可连接到控制单元以控制流体输送系统，且它可以是手持装置。

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Limelight Networks shares are trading lower Wednesday morning after the content delivery network operator posted disappointing Q4 results.

FORBES: Limelight Networks Shares Slide As Q4 Margins Disappoint

Shares of the content delivery network operator Akamai Technologies are trading sharply higher after hours on Wednesday on better-than-expected results for the fourth quarter.

FORBES: Akamai Q4 Crushes Estimates; Stock Soars In Late Trading

Alternatively, rivals may hand over mail to the national operator for final delivery, akin to the last-mile connection that gives new entrants access to existing telecoms infrastructure.

ECONOMIST: Post offices