She has worked on this plan for three days.

他做这项计划已经三天了。

youdao

She has worked on the project for many years.

她做这个工程已经好些年了。

youdao

She would be. She has worked on that body and face for more than sixty years.

她应该是。她在自己的身上和脸上花了六十多年的功夫。

youdao

She says that this is the first building she has worked on that is related to the subject of China.

VOA: special.2009.05.06

The examples she mentions are from cases that she has worked on personally.

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Although she has no formal training as an economist, she has worked on and off as a financial regulator in Washington for nearly two decades.

NEWYORKER: The Contrarian

She has worked on forging not only a good working relationship with the president but also in building key alliances in the Cabinet, notably with former Secretary of Defense Robert Gates and top officials in the military and the intelligence community.

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