Their strategy is to lock subscribers into long-term contracts.他们的策略是用长期合同来约束用户。The company is buffered by long-term contracts with growers.公司通过与种植户签订长期合同得到保障。Bob got an extended contract.鲍伯签订了一份长期合同。The company is buffered by long-term contracts with growers.该公司因与种植户签订长期合同而免受冲击。