An undertone of the (world economy) may remain unchanged.Logical formLearned from8 sentences. An undertone can be firm.Logical formLearned from8 sentences. An undertone can be weak.Logical formLearned from8 sentences. An undertone may remain firm.Logical formLearned from8 sentences. Undertones can be supernatural.Logical formLearned from7 sentences. An undertone can be steady.Logical formLearned from7 sentences. An undertone can be brown.Logical formLearned from7 sentences. Undertones can be constituted-of-or-filled-with racism.Logical formLearned from7 sentences. An undertone can be odd.Logical formLearned from7 sentences. An undertone can be nervous.Logical formLearned from7 sentences. An undertone can be somber.Logical formLearned from7 sentences. A romance can be with undertones.Logical formLearned from7 sentences. An undertone can be anti-American.Logical formLearned from7 sentences. An undertone can be constituted-of-or-filled-with concern.Logical formLearned from7 sentences. An undertone can be spicy.Logical formLearned from7 sentences.