What does 1 Samuel 6:7 mean?

Now therefore take and prepare you a new cart, and two milch kine, on which there hath come no yoke; and tie the kine to the cart, and bring their calves home from them;

Now therefore make a new cart, and take two milch kine, on which there hath come no yoke, and tie the kine to the cart, and bring their calves home from them:

Now therefore take and prepare you a new cart, and two milch kine, on which there hath come no yoke; and tie the kine to the cart, and bring their calves home from them;

So now, take and make ready a new cart, and two cows which have never come under the yoke, and have the cows yoked to the cart, and take their young ones away from them:

`And now, take and make one new cart, and two suckling kine, on which a yoke hath not gone up, and ye have bound the kine in the cart, and caused their young ones to turn back from after them to the house,

Now, therefore, take and make a new cart: and two kine that have calved, on which there hath come no yoke, tie to the cart, and shut up their calves at home.

And now make a new cart, and take two milch kine, on which there has come no yoke, and tie the kine to the cart, and bring their calves home from them;