飞行员不得不抛弃部分燃料以减轻飞机重量。

The pilot had to ___jettison some fuel to reduce the aircraft's weight.

为了减轻重量，船员们不得不把一些货物扔到海里。

To reduce weight, the crew had to ___jettison some cargo into the sea.

由于预算问题，公司决定放弃这个项目。

Due to budget issues, the company decided to ___jettison the project.