Some players complain that the difference is that serves have to be learned, and long pips just can be purchased.

有一些人说，发球需要时间学习，而长胶却可以直接购买。

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As long as prices do not vary in an extreme amount, then 1 or 2 pips is a normal variance between the different servers.

只要价格差异不超出一个极端的量，不同的服务器有1 - 2点的差距是正常的。

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In this case, you can place a limit-buy order a few pips above that support level so that your long order will be filled when the market moves down to that specified price or lower.

FORBES: How To Place Orders With A Forex Broker