419. From what has been discussed above, we may safely draw a conclusion that part-time jobs can produce a far-reaching impact on students and they should be encouraged to take part-time jobs.
From what has been discussed above, we may reasonably/safely come to／reach／draw the conclusion that _____（主题）。
In conclusion, I can confidently say that the bathroom is the most important room in the house.
All things considered, I would prefer to live in a modem apartment.
From what has been discussed above, I am fully convinced that the leisure life-style is undergoing a decline with the progress ofmodem society, and it is not necessary a bad thing.
From what has been discussed above, we may reasonably come to a conclusion that, although the parents' desire to look after children by themselves is understandable，its disadvantages far outweigh the advantages.