This selfish thinking or score keeping often stops a good deed from being done in the first place, which over time limits the good deeds returned.

这种自私的或是记账式的想法经常不会促使善意行为在一开始就发生，只有经过一段时间的以后回报式的善行才会发生。

youdao

A long-lost opera by the Italian composer Vivaldi is being performed in Prague for the first time in almost 300 years.

意大利作曲家维瓦尔第创作的失传已久的歌剧300年来首次在布拉格演出。

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New carbon capture technology is being tested for the first time in the UK on a working coal-fired power station.

一项新型的碳捕捉技术日前在英国进行了首次测试。测试地点位于一家运营中的燃煤发电站。

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She admitted that she got married the first time only to escape from being forced to live in a group home for children without parents.

VOA: special.2009.12.06

She was in Washington spending some time when the first food guide pyramid and dietary guidelines when being developed and she talks about that experience and how much impact the food industry had on this.

她曾在华盛顿待过一段时间,正值食物金字塔的最初版,和饮食指南被提出之时,她谈到了那段时期的一些相关经历,以及食品行业对该研究的影响有多大

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"It's an image that is very North Korean, but the way it's being treated is exceptional and this is the first time anyone has ever seen this style of art in the country ."

VOA: standard.2009.12.09

Notes: Green got a round of applause when he checked in midway through the first quarter, playing in Oklahoma City for the first time since being traded in February 2011.

NPR: Thunder Grind Out 91-79 Win Over Celtics

On the ride over, she talks about this being her first time in the United States.

CNN: A day in the life of a New York Fashion Week model

The International AIDS Conference, now in its 17th year, is being held for the first time in a Latin American country.

NPR: Mexico To Lift Limits On Foreign Drug Makers