Now we have to go get replacements.

现在我们必须去找到替代品。

Most virtual education replacements do not.

多数虚拟教育却做不到这一点。

It had its time, and there are better replacements.

它曾有过它的时代，现在我们有了更好的替代者。

Result: Almost all resigned, and he hired replacements.

结果是几乎所有的中层经理都辞职了，他只能另雇接替者。

For oil replacements, cheap suddenly looks less of a problem.

对于石油的替代品来说，价格突然不是什么问题了。