An undertaking can be expensive.Logical formLearned from8 sentences. (Wheat flour) can be expensive.Logical formLearned from8 sentences. A ticket can be expensive.Logical formLearned from8 sentences. Stones can be expensive.Logical formLearned from8 sentences. An aircraft may remain expensive.Logical formLearned from8 sentences. Screens can be expensive.Logical formLearned from8 sentences. Lights can be expensive.Logical formLearned from8 sentences. Champagne can be expensive.Logical formLearned from8 sentences. Issues can be expensive.Logical formLearned from8 sentences. Cuts can be expensive.Logical formLearned from8 sentences. (Tax cuts) can be expensive.Logical formLearned from8 sentences. Gold can be expensive for investors.Logical formLearned from8 sentences. Gold can be expensive to buyers.Logical formLearned from8 sentences. (Treatment programs) can be expensive.Logical formLearned from8 sentences. Customers can be expensive.Logical formLearned from8 sentences.