Please take your assigned seat, for the plane must keep balance when it takes off.

为了使飞机在起飞时保持配载平衡，请您按指定的座位入座。

youdao

Because most of you are sitting in the front, the plane is off balance.

因为你们大多坐在前面，现在飞机重心失衡。

youdao

Because most of you are sitting in the front, the plane is off balance.

因为你们大多坐在前面，现在飞机重心失衡。

youdao