Only a modest can produce, improve, maintain physical strength and health.

唯有适度可以产生、增进、保持体力和健康。

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Whether you are pretty or not, you should regularly do exercise and maintain physical activity.

不管长得漂亮还是难看，都要经常锻炼身体，保持身体活力。

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So you need to maintain physical security of the system hosting the software and any backups to that system.

因此您需要维护在其中托管了软件以及任何系统备份的系统的物理安全性。

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Web-based banks don't have to pay staff to maintain physical branches, which frees up money to pay out in interest.

WSJ: Online-Only Banks Start to Yield More Than a Virtual Advantage

Research shows that exercise can help to maintain physical function late in life and that exercising one's brain can limit the progression of senescence.

ECONOMIST: The latest from the wacky world of anti-senescence therapy

Similarly, in a fast paced entrepreneurial organization, I believe a good leader must maintain mental and physical wellness in order to effectively drive the business forward and inspire the team.

FORBES: 5 Reasons Why Good Fitness Makes for Better Entrepreneurial Leadership