Add punctuation: At the same time economic development must be maintained on a sustainable basis
A: At the same time, economic development must be maintained on a sustainable basis.

Add punctuation: Always consult a medical doctor or dermatologist
A: Always consult a medical doctor or dermatologist.

Add punctuation: 24 Then he is gracious unto him and saith Deliver him from going down to the pit I have found a ransom
A:
24 Then he is gracious unto him, and saith, Deliver him from going down to the pit: I have found a ransom.