Precisely because of this flexibility tunnel trading is the best model I have ever seen.

确切说因为隧道交易的灵活性，我认为是我看到的最好的交易模型。

youdao

Precisely because of this flexibility tunnel trading is the best model I have ever seen.

确切说因为隧道交易的灵活性，我认为是我看到的最好的交易模型。

youdao