She says that, " families have many competing demands and there are trade-offs that get made."

她说，“有的家庭出于某些竞争需求，并做了一些权衡取舍。”

I understand the competing demands and priorities.

我了解相互竞争的需求和优先事项。

Corporate historians and markets alike judge finance chiefs by their ability to juggle the competing demands of capital structure, investor returns and investment.

公司历史学家和市场都根据财务主管处理资本结构、投资者回报和投资的竞争需求的能力来评判他们。

And there are competing demands for the gas, including as a replacement for natural gas as a fuel for boilers, and in the production of green aviation fuel.

并且对天然气存在竞争需求，包括作为锅炉燃料的天然气替代品，以及用于生产绿色航空燃料。