请问这两个词组的意思？

stick one's neck out:暴露自己, 冒风险
You'll stick your own neck out if you invest without thinking twice

off one's own bat独立地
He ran this company off his own bat.

snob value:有派头

惹麻烦
独立地
有派头
This car sells well because of its snob value.:

这种汽车很有派头, 因此很畅销.

stick one's neck out
冒险/出头（做某事）
off one's own bat
靠自己，依靠自己个人的力量
snob value
独特的，有派！