Much as we might like to believe otherwise, natural selection, working within each species, does not favour long-term stewardship.

与我们所相信的截然不同，作用于每一个物种的自然选择(规律)并不喜爱长远利益。

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In response, Mr Osborne insists that his long-term stewardship of the UK economy will prove valid and sound.

BBC: Scottish independence: Political battle over currency

The America COMPETES Reauthorization Act of 2010, signed by President Obama earlier this year, calls upon OSTP to coordinate with agencies to develop policies that assure widespread public access to and long-term stewardship of the results of federally funded unclassified research.

WHITEHOUSE: Request for Information on Public Access to Digital Data and Scientific Publications | The White House