Without reinforcement learning is only short term and easily lost.

没有巩固的学习只能是短期的，很快遗忘的。

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The high estimate is based on past trends with only short term adjustment in response to the current economic down turn.

高增长预测是按过往经济增长的趋势，并因应现时的经济衰退情况经进行短期调整后而作出的评估。

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UK researchers found moving to a green space had a sustained positive effect, unlike pay rises or promotions, which only provided a short-term boost.

英国研究人员发现，搬迁至绿地能带来长期的积极影响，而不像加薪或升职，只提供了短期的促进作用。

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Ansbacher sells only short-term calls and puts--expiring in six weeks or less--that are out of the money.

FORBES: When the Markets Sleep

Some proposals call for taxing only short-term transactions, while others would require differentiating between speculative trades and others.

ECONOMIST: The Tobin tax: Roasting an old chestnut | The

As with most investment strategies, most investors have only short-term thoughts regarding it.

FORBES: Sell In May Still Working Like A Charm