这双跑鞋非常轻便，适合长途跑步。

These running shoes are very ___lightweight, perfect for long-distance running.

他的健身计划专注于长期体重管理，而不是短期节食。

His fitness program focuses on ___weight management rather than short-term dieting.

我们的科技初创公司由一群优秀的领导者带领，他们推动了创新项目的发展。

Our tech startup is led by a group of outstanding ___leaders who drive innovative projects.