It takes time and energy to re build your energy levels and internal strength again.

恢复你现有的活力和内心的坚强需要时间和体力。

youdao

All the pressure was on this organization, which is to facilitate the increase of its internal strength.

凡把压力加在这种组织上，那是为促使其内部的实力提高。

youdao

"Vitality" refers to the emergence of vibrant new economies as well as the growing internal strength of the economy.

所谓“活”，就是各种类型的新经济活力四射，经济内在活力逐步增强。

youdao

They may inspire, but their virtue is in their inaccessible internal strength.

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From the technical side, momentum and internal strength indicators remain positive.

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Many times over the past two years (such as Armageddon Fears Are Overblown on June 1, 2012 and Can Doom and Gloom Save the Market? on September 16, 2011), I have made the case that the internal strength of the stock market was signaling that the economy was actually stronger than most thought.

FORBES: The Week Ahead: Are Stocks Too Far Ahead of the Economy?