So, I want just to end saying that you can always propose new materials -- new sustainable materials -- but keep in mind that we have to work fast to the end, because we don't have the whole time to plan.
所以，我想在结尾说 你们可以经常研发新材料，新的可持续性材料 但是记住，我们必须快点行动 在最后，因为我们没有那么多时间去计划