杰克，你知道吸尘器怎么用，请你清理地毯和地板，好不好？

Jack, you know how to use the vacuum cleaner. Would you please do the rugs and the floors?

youdao

你知不知道怎么用这个定时器啊？

Do you know how to do this timer thing?

youdao

既然已经看到了用 PHPEclipse 和调试器扩展进行开发的优势，那么很难想像没有它会怎么样。

Since you have witnessed the advantages of developing with PHPeclipse and the debugger extension, you'll wonder how you ever got along without it.

youdao