for more specialized work 為更專門的工作 for prospects of promotion 為晉升的前途
for higher responsibility 為更高層次的工作
for wider experience 為擴大工作經驗
due to close-down of company 由於公司倒閉 due to expiry of employment 由於僱用期滿
sought a better job 找到了更好的工作 to seek a better job 找一份更好的工作