i think i must should learn another language.
because i have to use language in my future job.
เพราะต้องมีทักษะภาษาที่ดีในการประสานงานร่วมกับผู้อื่น
because of the need to have good language skills in coordination with others
because of must have good language skills in coordination with others.
because there must be a good language skills in coordination with others.