求翻譯The future in here now這篇課文的第四段前半段 謝謝

Bringing people back to life after they have been frozen may take more time. At present, there are several companies that will offer to freeze people the moment that they die. They hope that developments in science will eventually allow them to live again. Scientists warn that bringing a dead person back to life will not be easy. They already have the technology to allow parts of the body such as the kidney to be used again after it has been frozen.