312.did a great service for society
313.He is faced with problem of finding a high-paying job related to his past studies and interest.
314.pursure sth to the highest extent
315.For people fresh from universities,experience is what they are in great need of.
316.Work experience is equivalent to work expertise.
317.Conversely, aiming at a position beyond one's ability at the beginning of the interview,thought it appears to show ambition,usually proves to be impractical,and is therefore doomed a failure.
318.This dose involve some expence in terms of good food and medical treatment.
319.companion
320.They only eat the leftovers of family meals