replacements

基本解释

Now we have to go get replacements.
现在我们必须去找到替代品。
Most people buy replacements in small amounts only when they need them and think about food only when they’re hungry.
大多数人只有在当他们觉得需要的时候才补充商品，只有当他们饥饿的时候才会想到食物。
Nearly all of the jobs that are coming back are “replacements” of previously cut positions, not new jobs, market experts here say.
几乎所有回归的工作岗位都是原先被削减职位的“替代”，而不是新岗位，这里的市场专家说。

Today,common medical procedures sought overseas include cardiac surgery, knee and hip replacements, liver transplants and dental work.
Today,it is happening every few months. The replacements are increasingly young and inexperienced.
And so if that's not going to produce benefit, what sorts of replacements might?" Mozaffarian's study found that people who replaced saturated fat with polyunsaturated fat had about a 20 percent lower risk of heart attack or other heart disease.

If you refer to the replacement of one thing by another, you mean that the second thing takes the place of the first.
Someone who takes someone else's place in an organization, government, or team can be referred to as their replacement.