Array
(
[where] =>
[groupby] =>
[join] =>
[orderby] =>
[distinct] =>
[fields] => ID
[limits] => LIMIT 0, 39
)
已知甲币/英镑的买入与卖出价,英镑/乙币的买入与卖出价,那么甲币/乙币的买入与卖出价是A买入价=甲币/英镑的买入价×英镑/乙币的买入价B买入价=甲币/英镑的买入价÷英镑/乙币的买入价C卖出价=甲币/英镑的卖出价÷英镑/乙币的买入价D卖出价=甲币/英镑的卖出价÷英镑/乙币的卖出价 – 萌面人博客