then anyone can predict anything

Doesn't hold much weight :)

btw from google:

guar·an·tee

/ˌgarənˈtē/

Noun A formal promise or assurance (typically in writing) that certain conditions will be fulfilled, esp. that a product will be repaired or...

Verb Provide a formal assurance or promise, esp. that certain conditions shall be fulfilled relating to a product, service, or transaction.

所有跟帖： 

• The definition did not include "Having control over" -SwiperTheFox- ♂ (0 bytes) () 01/10/2013 postreply 09:55:08

• see definition of promise -clipmom- ♀ (2507 bytes) () 01/10/2013 postreply 09:57:59

• I can provide a formal assurance or promise that -SwiperTheFox- ♂ (59 bytes) () 01/10/2013 postreply 09:56:23