tab sis hais tias yog tsis tau hais tias nws tsis muaj nyob. Muaj ntau cov kev pab zov me nyuam tau pom tau hais tias qhov yuav tsum tau rau no muab lub ceev ceev paced txoj kev ua neej tias yog li ntawd muaj ntau yam ntawm peb tam sim no nyob. Frankly ib tawg down tsheb txo nws hwj lub neej nyob rau tuav