The additionality of a project, the certainty with which you know that carbon will be avoided or removed, the duration of time over which your investment will remain valid.

项目是否有额外的减排效果，投资人是否对碳抵消或碳移除抱有信心，投资的有效期。

Take, for example, the technical aspects that we have on any carbon credit: additionality, permanence, no leakage, baselining, all very difficult concepts for these small organizations.

以我们对任何碳信用的技术方面为例：额外性、持久性、无泄漏、基线，这些对于这些小型组织来说都是非常困难的概念。