Original

Edited

How has Thailand develop domestic economic to be stable with other ASEAN member countries border trade is the one choice that Thailand have to consider.

Border trade with other ASEAN countries is important for the development of a stable domestic economy.

Because:

1. ‘Border trade’ is the important topic in the sentence which is moved to the beginning.
2. Thailand is used twice.
3. Sentence construction is simplified.
4. Word reduction from 25 to 16, 36%
5. No meaning is lost.