We will consider placing a substantial order provided that…

（如果…我们就考虑下一个大的订单）。

youdao

We'll place a substantial order with you if your price is reasonable.

如果你方的价格合理，我们将大量订货。

youdao

We could reduce our price by 5% if you place a substantial order with us.

如果你们订货量大的话，我们可以减价5%。

youdao

If the trials go well, staff at the County Antrim company hope a substantial order will be placed.

BBC: Northern Ireland

Women do it for a few years in order to earn substantial sums of money.

BBC: The rise and fall of lap dancing

Until now, it has been necessary for anyone approaching prospective investors in the US to have a substantial pre-existing relationship in place in order to actually discuss a particular investment opportunity with them or provide them with marketing materials.

FORBES: The Pointy End of Capitalism