It’s lovely for an individual to spend time on what he or she prefers to do, but if he or she is too addicted, it might lead to excessive waste of time.

但是如果他太上瘾了，就容易过度的浪费时间。

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If the habit stops, hair will typically regrow, but with excessive and long-term trichotillomania, scarring of the scalp can result, leading to permanent hair loss in the affected location!

如果改掉这个习惯，头发会重新长出，但是长期过度地拔扯毛发，给头皮造成伤害，在受影响的区域会导致永久性的脱发。

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But the disruption is contained by the existence of a central bank that is ready to intervene if the currency appreciation becomes excessive.

但由于央行的存在，这种扰乱受到了遏制——央行随时准备在日元过度升值时出手干预。

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Interest rates can be lowered to zero and money can be printed ad nauseum, but if excessive debt within the system is restraining private demand, the decline in the velocity of money will offset the benefit of the additional supply of dollars.

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Concentration is improved when people's senses are aroused, says Dr Linnell, but if this becomes excessive it seems to have the opposite effect and reduces the ability to focus on a single task.

BBC: City living 'makes it harder to concentrate'

But even if macro concerns of excessive investor pessimism keep a lid on stock prices in the months ahead, dividend paying stocks offer respectable cash payouts that are close to as safe as bond yields.

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