 They ’ ve been cut off guard by the population growth and they seem to be trailing behind looking desperately for ways to catch up with a train speeding away.
<fluency>  They ’ ve been cut off guard by the population growth and they seem to be trailing behind looking desperately for ways to catch up with a train speeding away.
 They ' ve been cut off guard by the population growth and they seem to be trailing behind looking desperately for ways to catch up with a train speeding away.