add a script to replace

1000-hours/sounds-of-american-english/1.3-accents.md

@@ -22,4 +22,4 @@ In reality, heavy regional accents can even stump native English speakers. Check
 
 很多人在学英语的时候，对口音的选择异常纠结。其实大可不必，只要想想你最能最常听到的口音是什么就可以了 —— 显然，对绝大多数人来说，在这个视听媒体格外发达的时代，人们更常听到的可能是**美式英语**。
 
-Many people find themselves particularly torn  when deciding on an accent to adopt while learning English. However, it's not as big of a deal as it seems. Simply consider the accent you hear most frequently - it's clear that for the majority of people, in this age where audio and visual media are abundantly prevalent, the *American English* accent is perhaps the one most often heard.
+Many people find themselves particularly torn  when deciding on an accent to adopt while learning English. However, it's not as big of a deal as it seems. Simply consider the accent you hear most frequently - it's clear that for the majority of people, in this age where audio and visual media are abundantly prevalent, the *American English* accent is perhaps the one most often heard.