There would be two weak beats or two unstressed beats between each strong beat.

会有两个弱或者说是非强存在于每个强间。

And it's because there's no one. It's all upbeat.

因为没有跟它一样都是弱曲子。

Swing rebels against a straight 50–50 meter with a prolonged first beat, or downbeat, and a shortened second beat, or offbeat.

摇摆反对连续而平衡节，而是采取延长第一（强），缩短第二（弱）。

Musicians clearly preferred versions with synchronized offbeats and these very slightly delayed downbeats.

音家们显然更喜欢同步弱和强延迟非常轻微版本。

In another, there were very slight soloist delays on both downbeats and offbeats.

在另一个版本中，独奏者演奏强和弱时有非常轻微延迟。