1. 充满了:be filled with =be awash with = be inundate with = be saturated with
2. 努力:struggle for =aspire after = strive for = spare no efforts for
3. 从事: embark on = takeup = set about = go in for
4. 在当代: in contemporarysociety = in present-day society= in this day and age
5. 大量的: a host of = amultitude of = a vast number of = a vast amount of