substitute

n.代用品，代替者 vt.用…代替，代以

subsidization, subsidization, subsidisation, subsidize, subsidize, subsidise, subsidy, subsist, subsistence, subsistence crop, subsistence level, subsoil, subsonic, substance, substandard, substantial, substantially, substantiate, substantiation, substantive, substantively, substation, substitute for, substitute...for, substitution, substratum, substructure, subsume, subtenancy, subtenant, subtend, subterfuge, subterranean, subtitle, subtle, subtlety, subtly, subtopia, subtopic, subtotal, subtract, subtraction,