And one that is moving continues to move at an unchanging speed, so long as no outside force influences it.

VOA: special.2011.06.01

The great discovery that Galileo and Newton made is that you don't need a force for a body to move at constant velocity.

伽利略和牛顿的伟大发现就是,物体不需要力来维持匀速运动

耶鲁公开课 - 基础物理课程节选

The fact that you don't need a force for it to move forever at a given speed in a given direction, that's not obvious, because in daily life you don't see that.

对于物体不需要力的作用就能保持,确定的速度和方向持续运动这一事实,它并非显而易见,因为在日常生活中你看不到这种情况

耶鲁公开课 - 基础物理课程节选

White families who did not want to live near them repeatedly tried to force them to move away.

VOA: special.2009.04.05

All of them were ordered to move against the Union force at Gettysburg.

VOA: special.2009.11.05