Whoever you are, you should be extra cautious when you are in love.

故不论你是谁，恋爱时尤要谨慎。

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I would also recommend using a drip loop on all of the power cords to be extra cautious.

我也建议您使用滴灌环路上所有的电源线要特别小心。

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Be extra cautious when heeling on uneven surface - debris and crevices can cause sudden stops and uncontrolled movements.

当遇到不平坦的地面时要格外小心—残渣和裂缝可能导致突然的停止并使动作不受控制。

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All of which ensures that Sina will be extra cautious in how it polices its public square.

FORBES: What's The Market Price For China's Public Square? Try $3.3 Billion

With so much hype and investor interest in Facebook, Jacob says investors will need to be extra cautious.

FORBES: When Should You Buy Facebook?

Firefighters across the park were told to be extra cautious.

NPR: Ex-Firefighter Relives Yellowstone's 'Black Saturday'