变化很显著
biànhuà hěn xiǎnzhù
The change is obvious.
效果显著
xiàoguǒ xiǎnzhù
The effect is remarkable.
差异显著
chāyì xiǎnzhù
The difference is significant.
提高并不显著
tígāo bìng bù xiǎnzhù
The increase is not significant.