So all the yellow labels are things that are aired in and all the black labels are things that are shipped in.

所以所有的黄色标签都是空运过来的，所有的黑色标签都是航运的。

Out of the total production of Iberian ham, only 6% comes with a black label, indicating it's the 100% Iberian pure breed.

在伊比利亚火腿的总产量中， 只有 6% 带有黑色标签，表明它是 100% 的伊比利亚纯种。