Fees can be steep.Logical formLearned from18 sentences. Uphills can be steep.Logical formLearned from18 sentences. (Mountain grades) can be steep.Logical formLearned from18 sentences. Jumps can be steep.Logical formLearned from18 sentences. Channels can be steep.Logical formLearned from18 sentences. A (growth curve) can be steep.Logical formLearned from18 sentences. A revision can be steep.Logical formLearned from18 sentences. An erosion can be steep.Logical formLearned from18 sentences. Tea can be steep.Logical formLearned from17 sentences. Surfaces can be steep.Logical formLearned from17 sentences. Coasts can be steep.Logical formLearned from17 sentences. A ramp can be steep.Logical formLearned from17 sentences. Driveways can be steep.Logical formLearned from17 sentences. Sell-offs can be steep.Logical formLearned from17 sentences. Tea can be steep.Logical formLearned from17 sentences.