那些年他要养家，日子很难过。
In those years he had a very hard time making a living for his family.
我也希望公司能给我提供较为合理的薪水，因为我要养家糊口。
And I hope the company would offer me with a more reasonable salary for I have a family.
科学家和其他专家也是人，他们想开拓自己的事业，他们要养家糊口，所以你就明白为什么他们往往能得出自己想要的答案。
Scientists and other experts are human beings, they want to advance their careers, they have families to support, and what do you know, they tend to get the answers they chase.
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