Avoid signing long-term contracts and beware of hidden fees.
避免签订长期合约，并留意隐藏的费用。
Many mills still supply their steel on long-term contracts.
许多钢厂依旧按长协价提供钢材。
The market is mature and many customers are locked into long-term contracts.
移动通讯的市场已经成熟，许多顾客也签订了长期的购买合同，无法抽身。
The market is mature and many customers are locked into long-term contracts.
移动通讯的市场已经成熟，许多顾客也签订了长期的购买合同，无法抽身。
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