Facing the serious environmental pollution problems, we need to take steps to solve these problems immediately.
面对严重的环境污染问题，我们需要马上采取措施来解决问题。
These aren't just the people that we hope would be there for us in our time of need, these are the people we will immediately rush to assist if they ever find themselves in a time of need.
他们并不是那些我们希望在我们需要的时候伸出援手的人，而是那些一旦他们陷入困境，我们会第一时间冲到现场的人。
All these hurdles need to be overcome first before we can think about using the cells to treat disease, but we can start immediately to evaluate them as a tool for drug discovery.
在我们思考应用这些细胞治疗疾病之前需要首先扫除这些障碍，但是我们现在可以马上评估其能否作为药物研发的工具。
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