And that's important, because it doesn't matter if we come up with some amazing whiz-bang technology to sort out our energy problem on the last day of 2049, just in the nick of time to sort things out.
这很重要，因为这并不取决于 我们能否在2049年的最后一天 开发出什么高端的科技， 在千钧一发之际解决了能源问题。