unnoticeable
adj. 不顯明[顯著]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.
大廳後面的橘色牆紙不很顯眼.
Her clothes were simple and unnoticeable.
她衣著簡樸,不引人注目.
Strategic Code Splicing might have a minimal effect, but it's unnoticeable in almost all cases.
程式碼拼接有很小的影響, 但是大多數情況下都注意不到.