He touts the benefits of prevention, citing his own life-saving weight loss as an example.

他宣扬预防的好处，以他自己救命的减肥为例子。

youdao

This means the wings can be thinner, saving weight. The three engines are mounted at the rear, flush with the fuselage.

三个发动机安装在机身后面，与机身平齐。

youdao

Everything else, including the motors, electronics and the lightweight foam that buoys the vehicle, is housed outside the hulls in the fuselages, saving weight.

其它东西，包括发动机，电子设备和用于浮力的轻型泡沫都置于舱外的机身上，以减轻重量。

youdao

Preloaded and wireless systems can help airlines save money over traditional systems also by saving weight.

WSJ: Some Airlines Lend iPads for In-Flight Entertainment Systems

This means the wings can be thinner, saving weight.

ECONOMIST: The aircraft of the future

While some natives approach the race with great seriousness--Nedeau, for example, is such a fanatic about saving weight that he tells his crew to cut off the bottoms of their toothbrushes--Comeaux injects some fun.

FORBES: Windy City Sailing