In my opinion, transplanting coral should only be used as a last resort.
在我看来，移植珊瑚只能作为最后的手段。
2
The terrible constraint on organ transplanation is that every life extended depends on the death of someone young enough and healthy enough to have organs worth transplanting.
The terrible constraint on organ transplantation is that every life extended depends on the death of someone young enough and healthy enough to have organs worth transplanting.