Help with English-chinese translation!

Need to translate the following English sentence to Chinese, for marketing usage. Help for better translation!!! Thanks for advance!

We're in this for the long run!

所有跟帖： 

• 回複：Help with English-chinese translation! -秒秒- ♀ (64 bytes) () 10/09/2009 postreply 08:26:06

• 回複：回複：Help with English-chinese translation! -lorena.tang- ♀ (7 bytes) () 10/09/2009 postreply 08:27:44

• Should be: We've been in this for a long run???? -忌憶- ♂ (0 bytes) () 10/09/2009 postreply 10:53:51

• 我們在此（領域）已有很長時間的工作 -忌憶- ♂ (0 bytes) () 10/09/2009 postreply 10:56:15

• 我們從事的是造福千秋萬代的事業 -billnet- ♂ (0 bytes) () 10/09/2009 postreply 11:52:51

• 我們會長期持久為之努力！（表決心的口號） -Carpediem- ♂ (0 bytes) () 10/09/2009 postreply 11:53:20

• One more try:我們在這件事上(努力）是長期持久的！（原句強調long run) -carpediem- ♂ (0 bytes) () 10/09/2009 postreply 12:20:34

• 同意'及時行樂'的兩個翻譯. -戲雨飛鷹- ♀ (0 bytes) () 10/09/2009 postreply 12:58:16

• 謝謝小鷹賜我中文名，雖然是個惡名 -Carpediem- ♂ (44 bytes) () 10/09/2009 postreply 17:21:56

• 圈閱！~~ -戲雨飛鷹- ♀ (0 bytes) () 10/09/2009 postreply 18:04:20

• 回複： -star-night- ♂ (50 bytes) () 10/09/2009 postreply 13:42:27

• 我們搞這個東東很長已一段時間了 -賣克1- ♂ (0 bytes) () 10/09/2009 postreply 18:10:36