It brings optimism into your life, and makes it easier to avoid worry and negative thinking.

把乐观主义情绪带入你的生活，使你避免焦虑和负面思考。

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If we avoid questions because we worry about what they do to people's sensitivities, then we will never arrive at conclusions.

BBC: News | BREAKFAST WITH FROST | Conservative Leader, Iain Duncan Smith MP

But when there are huge financial interests on both sides of the matter and when doctors perform tests simply to avoid lawsuits, I worry about the scientific objectivity of any analysis like this that advocates such sweeping policy changes that could throw out many babies with the bath water.

FORBES: We Spend How Much On Unneeded Tests?

Then there are other companies that you really need to worry about and avoid.

FORBES: A Look at Tomorrow's Top Industry