波折

这项复杂的跨国投资项目在推进过程中经历了不少波折，但最终还是顺利签约了。

zhè xiàng fù zá de kuà guó tóu zī xiàng mù zài tuī jìn guò chéng zhōng jīng lì le bù shǎo bō zhé, dàn zuì zhōng hái shì shùn lì qiān yuē le.

This complex cross-border investment project experienced many twists and turns during its advancement, but in the end it was successfully signed.