请问codeblocks 显示nothing to be done

请问codeblocks 显示nothing to be done CodeBlocks中“Target is up to date.Nothing to be done.”是什么意思? 为什么我用codeblocks不能运行编好 Nothing to be done (all items are up-t nothing could be done with nothing needed to be done,he went out for There is nothing to do 和There is nothing to be done有什么不一样吗? 英语翻译These is nothing to do now.There is nothing to be done n To be done being done have done/to be done Nothing can be done ________he returns. ________ being absent,nothing can be done. nothing can be done with earthquake