✔ 最佳答案
The pigment in faeces comes from the demolition of Red Blood Cells, hence, the improper functioning of the Liver and Gall Bladder will lead to the non-pigmentation ( the so-called "White spots" ) of faeces, partly or wholly. Go to Physician ( medical practitioner/doctor ) to check, usually taking a blood examination of liver functions through which results tell the problems, if any