Businesses need to train their workers better, and spend more on R & D.
各企业需要更好地培训其员工，并且在研发上有更多的投入。
《柯林斯英汉双解大词典》
2
"It surely seems plausible that happy people would be more forward-thinking and creative and lean towards R&D more than the average," said one researcher.
一位研究人员表示：“幸福的人比普通人更有前瞻性和创造力，并且更倾向于研发，这似乎确有道理。”
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You could work for the R&D divisions of large chemical companies like DuPont or BASF.