Jīngguò jǐ nián de fāzhǎn, zhège xiǎozhèn jīnfēi-xībǐ.
After years of development, this small town is nothing like it used to be.
Tips
usage
今非昔比 can be used positively (impressive improvement) or neutrally/negatively (unrecognizable change). Context determines the tone. The literal meaning is: today (今) is not (非) like the past (昔), there is no comparison (比).