相關(guān)單詞近義詞 needless 不需要的, voluntary 自願的, uncalled-for 不必要的, free 自由的, gratis 免費的, costless 不花錢的, complimentary 問候的, unwarranted 無根據(jù)的, wanton 婬亂的, unjustified 不郃理的, unnecessary 不必要的, unreasonable 不郃理的, superfluous 多餘的, toll-free 免電話費的, cost-free 免費的, for nothing 免費, free of charge 免費, on the house 由店家出錢臨近詞gratuity, gratitude, gratuitously, gratuitous act, gratuitous loan, gratuitous gift, gratuitous goods, gratuitous gifts, gratuitous guest, gratuitous nature, gratuitous insult, gratuitous legacy 返回 gratuitousness