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1·The solution, of course, is to use finally to release the semaphore permit; an easy enough — but all-too-often-forgotten — approach.

当然，解决方案是使用finally来释放信号量许可证，这是一个很简单却容易被遗忘的方法。

2·The F. A. A. has an additional 164 permit applications pending, and early this fall expects to release new rules, which Mr.

联邦航空局有一附加的164号许可证申请待定，早期的这个结论期待着新规定的出台。

3·It took photographer Joel Sartore three months to get the permit required to capture, photograph, and release a single fly from its threatened sand dune habitat in California.

摄影师花了3个月的努力，才获得捕捉许可证，拍摄完毕，把它放回栖息地加利福尼亚州的沙丘。