unnoticeable
adj. 不显明[显著]的
1. not obtrusive or undesirably noticeable;
2. not noticeable; not drawing attention;
3. not drawing attention;
The orange wallpaper at the back of the hall is unnoticeable.
大厅后面的橘色墙纸不很显眼.
Her clothes were simple and unnoticeable.
她衣着简朴,不引人注目.
Strategic Code Splicing might have a minimal effect, but it's unnoticeable in almost all cases.
代码拼接有很小的影响, 但是大多数情况下都注意不到.