This is a part of my writing and I hope someone can give me a hand.
Volunteer work also benefits their career prospect. Through these work, they can experience the efforts and the sense of responsibility within their tasks, and this is realistic for them to imagine those more demanding jobs outside the school. Therefore, volunteer work makes them understand why they should respect their teachers, parents and even their future colleagues in advance. A comfortable relationship with colleagues is one of the key factors for most individuals to earn career achievements.
Are the cohesion and coherence between the last two sentence reasonable?
Other suggestions are also welcome, Thank you.