Because of the difference in their size and weight, the weaker animal would have to struggle to keep up the pace, and the stronger would have a greater burden to bear.
কিন্তু যদি তেওঁৰ দুটা বলদ গৰু নথাকে, তেন্তে তেওঁৰ ওচৰত থকা দুই প্ৰকাৰৰ জন্তুক যুঁৱলিত লগাব পাৰে ।