Boeing's future in part hinges on the high-profile Dreamliner, which the company says will be less costly to maintain and more fuel-efficient than other long-haul jets.
波音的未来在一定程度上取决于举世瞩目的梦想飞机。波音称，和其它远程喷气式客机相比，梦想飞机的维护费用更低，而且更省油。
It is less costly and more profitable to maintain a relationship with an existing customer than it is to establish a new one.
保持与一个现有客户的关系比建立一个新客户的成本更低，且利润更高。
The M-GAGE offers greater durability and reliability than inductive loops and is less costly to install and maintain.
M-GAGE要比感应回路提供更强的耐久性和可靠性，但安装和维护成本很低。
The M-GAGE offers greater durability and reliability than inductive loops and is less costly to install and maintain.
M-GAGE要比感应回路提供更强的耐久性和可靠性，但安装和维护成本很低。
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