Je was op zoek naar: 当时机成熟时 (Chinees (Vereenvoudigd) - Engels)

当时机成熟时，拟议的筹资战略在争取用于改善方案的重要可预测资源方面应发挥关键作用。
in due course, the proposed funding strategy should play a key role in developing vital predictable sources of support for programme improvements.

当时机成熟时，应采取谈判行动，因为需要弥合各缔约国之间在认识、理解以及关切方面的差距。
a move should be made towards negotiations when the time was ripe, as there was a need to bridge the gap between the perceptions, understandings and concerns of various states parties.

成熟时间
maturity time