The company is buffered by long-term contracts with growers.

这家公司受到了与种植者签订长期合同的保护。

《柯林斯英汉双解大词典》

With these ships, prices are set under long-term contracts.

对于这些船只，价格已在签订长期合同中价格之时定好。

youdao

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。

youdao

For example,companies that own their suppliers can avoid long-term contracts and disputes over prices.

VOA: special.2009.10.16

Some farmers who are not in the program have begun adopting organic farming techniques in hopes of joining small organic cooperatives that are beginning to negotiate long-term contracts with European organic and fair-trade wholesalers.

VOA: standard.2010.04.11

Silver Wheaton has long-term contracts with other mining companies to buy silver at very cheap prices.

FORBES: Perceptions Of Silver Changing Dramatically

Ticketmaster remains the leader with 11, 000 venues that are mostly locked into long-term contracts.

FORBES: Magazine Article

With Common Cents Mobile, there are no activation or termination fees and no long-term contracts.

ENGADGET: Common Cents Mobile becomes Sprint's latest prepaid brand, exclusive to Walmart