如果这个前提不成立，后面的结论就没有意义了。

Rúguǒ zhè gè qiántí bù chénglì, hòumiàn de jiélùn jiù méiyǒu yìyì le.

If this premise does not hold, the conclusion that follows is meaningless.

信任是合作的基本前提。

Xìnrèn shì hézuò de jīběn qiántí.

Trust is the basic premise of cooperation.

我们讨论任何问题之前，先把前提说清楚。

Wǒmen tǎolùn rènhé wèntí zhīqián, xiān bǎ qiántí shuō qīngchu.

Before we discuss any issue, we should first make the premise clear.