Things should always be done step by step.
事情应该按部就班地做。
For instance, a child should not try to run before he can walk;
比如说，小孩在学会走路之前不应该想要跑；
otherwise, he'll get hurt.
否则，他会受伤。
Likewise, if we put a cart in front of a'horse,
同样地，如果我们把马车放在马的前面，
we are not going to get anywhere.
我们哪里也去不成。
As the saying goes, "Don,t put the cart before the horse. "
常言道：“切勿本末倒置。”