I would say they’re interchangeable 的同义词 However, optimum is also a noun. Optimum and optimal are both adjectives. Cost is usually money and expense is usually anything, time or something. You can achieve optimum performance with recycled paper. At the cost of pretty much the same thing. But you can use cost there too.
You Can Achieve Optimum Performance With Recycled Paper.
I would say they’re interchangeable 的同义词 At the cost of pretty much the same thing. Cost is usually money and expense is usually anything, time or something.
But You Can Use Cost There Too.
Optimum and optimal are both adjectives. However, optimum is also a noun.
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Optimum And Optimal Are Both Adjectives.
However, optimum is also a noun. You can achieve optimum performance with recycled paper. But you can use cost there too.
At The Cost Of Pretty Much The Same Thing.
I would say they’re interchangeable 的同义词 Cost is usually money and expense is usually anything, time or something.