在软件生命期尤其是长期的支持和维护过程中(这也是应用程序生命周期中最昂贵的一个阶段)，应用程序和领域模型的重用将提高ROI。
ROI will rise from the reuse of application and domain models across the software lifespan, especially during long-term support and maintenance, the most expensive phase of an application's life.
至于是否能够购买支持，我认为这为客户提供了不错的定心丸，还可以保证开源产品的长期生命力。
As for being able to purchase support, I think that provides a nice comfort level, and can help ensure the long-term viability of the project.
美国生命联合会支持（堕胎）告知父母的法规。它们声称堕胎给未成年孕妇的健康带来长期或短期的风险，包括心理健康和生理健康。
They argue that abortion creates short-term and long-term risks to the physical health of the pregnant minor, as well as psychological risks.
知道有朋友支持自己会让你保持精神和身体健康：长期的紧张会更快削弱免疫系统，让细胞更快衰老，最终将你的生命缩短4到8年。
Knowing you have people who support you keeps you healthy, mentally and physically: Chronic stress weakens the immune system and ages cells faster, ultimately shortening life span by 4 to 8 years.
知道有朋友支持自己会让你保持精神和身体健康：长期的紧张会更快削弱免疫系统，让细胞更快衰老，最终将你的生命缩短4到8年。
Knowing you have people who support you keeps you healthy, mentally and physically: Chronic stress weakens the immune system and ages cells faster, ultimately shortening life span by 4 to 8 years.
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