Alternative operands are tried one by one on a first come first served basis starting from the leftmost operand .
选择符自左向右以先到先得的方式逐个测试它的操作数。
" Some of the muscles that move the eye can be seen on the outer , leftmost portion of the image as a golden color , while the sclera-which is normally the white part of your eye-is shown in green , " jones , of the university of utah 's moran eye center , said via email .