Learning can be steep.Logical formLearned from4 sentences. Sides of a valley can be steep.Logical formLearned from4 sentences. (Mountain flanks) can be steep.Logical formLearned from4 sentences. A folds can be steep.Logical formLearned from4 sentences. A threshold can be steep.Logical formLearned from4 sentences. (Premium hikes) can be steep.Logical formLearned from4 sentences. A downslope can be steep.Logical formLearned from4 sentences. (Fare discounts) can be steep.Logical formLearned from4 sentences. A geography can be steep.Logical formLearned from4 sentences. A (growth trajectory) can be steep.Logical formLearned from4 sentences. Restrictions can be steep.Logical formLearned from4 sentences. (Granite peaks) can be steep.Logical formLearned from4 sentences. Political risks can be steep.Logical formLearned from4 sentences. A (stock sell-off) can be steep.Logical formLearned from4 sentences. A (pay cut) can be steep.Logical formLearned from4 sentences.