50. We face serious and multiple challenges in tackling climate change, promoting clean energy, meeting energy needs and achieving sustainable development, and we will act with resolve and urgency in this regard.
50. 应对气候变化，推广清洁能源，满足能源方面的需求，实现可持续发展，在所有这些方面，我们都面临着多种严重的挑战，因此，我们将下定决心，刻不容缓地采取行动。