Smile at a stranger in the elevator. Oftentimes, we have too many things on our mind and we forget about the little courtesies[礼貌]. Smile and say "hi" to a stranger in the elevator, because it's nice to be acknowledged.
Introduce friends. If you have a friend who just moved to a new city, introduce her to friends you have in the same area. If you just met someone who just moved to your city, do your best to make her feel included by inviting her to some of your weekend activities.
Forgive someone. If someone has wronged you in the past, try your best to forgive them and to just let it go. Doing so is a nice thing to do for yourself and for those closest to you as well. Resenting someone may cause you to vent your frustrations[挫折] to other people, which spreads your negativity.
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1、翻译画线句子“Resenting someone may cause you to vent your frustrations to other people, which spreads your negativity.”吧！（100HY）