adjective
R
Something that takes the place of another thing.
When the power went out, we used candles as a substitutive source of light.
当停电时，我们用蜡烛作为替代的光源。
R
Involving or allowing substitution or replacement.
The substitutive policy made it easy to replace old equipment with new models.
替代政策使得用新型号替换旧设备变得容易。
translation
替代性的, 可替代的