Speed was a variable in the experiment.

在该实验中速度是个数。

The project is in the melting pot at the moment, so we’d better wait for a while before we make any decisions.

这项计划此时还有很多数，我们最好静观，后再作决定。

The best traders don't try to hide from these unknown variables by pretending they don't exist, nor do they try to intellectualize or rationalize them away through market analysis.

最优秀的交易者通过装知道来隐藏这些未知的数，他们通过市场分析把这些数合理化。