Have you ever noticed a problem: oxen have great strength but low efficiency, horses have fast speed but no stamina, and donkeys and mules have stamina but stubborn tempers. So, is there a perfect animal that can replace them and become livestock? For this, I watched many episodes of Animal World and still couldn’t find the answer—until, after being busy at the exchange for a whole month and making not a single cent, I looked in the mirror.$BTC #BTC