This turns Twitter intoan early-warning system (like a canary in a coalmine) for spotting negativebuzz and heading it off before it doesreal damage toyour bottom line.

这样可让Twitter变成一种预警机制 （有点象煤矿里的金丝雀），用于发现消极的发言，并在这些发言伤害到你的底线之前化解掉。

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In some ways it reflects the way that international negotiations have been heading, though their new "bottom up" direction was reached more by default than by strategy.

尽管他们能够达成的“自下而上”的新方向更多是由于无计可施而不是战略使然，在某种程度上这反映出了国际谈判的走向。

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Victoria: our label and logo are in the bottom corner. Do you see? But the packet and our heading are in your original colours.

维多利亚：我们的商标及公司标志在包装的下角。您看到了吗？但是整个包装及我们的名称都使用你们原来的颜色。

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Prices had been falling since late April, but have found a bottom this week and are heading higher.

FORBES: Magazine Article

Once again, Saints were back in the bottom three by goal difference and heading for League One.

BBC: Southampton 3-2 Sheff Utd

This can explain why both companies have failed to boost their top and bottom lines, disappointing their stockholders as both stocks have been heading south.

FORBES: Best Buy and Yahoo: Right Size, Wrong Space