突破口

这个项目的关键突破口在于市场调研。

zhè kànhù jiàn de tūpòkǒu zài shìchǎng tiáoyán.

The key breakthrough of this project lies in market research.

他们抓住了谈判的突破口，达成了协议。

tāmen zhuàzhù le nàntiǎng de tūpòkǒu, dá chéng le yídìu.

They seized the opportunity and reached an agreement during negotiations.