We need to ensure a smooth transition between the old system and the new one.

我们得确保新旧制度间的平稳过渡。

《牛津词典》

youdao

Furthermore, the legal system and the events which occur within it are primary subjects for journalists.

此外，法律制度和与其密切相关的事件是新闻记者报道的重要主题。

youdao

What we really ought to be doing here is concentrating on fixing the financial system and the housing problem.

VOA: standard.2009.03.15

The radius of the orbit, the energy of the system and the velocity of the electron, I am just going to present you the solutions.

是轨道的半径，系统的能量,以及电子的速度，我接下来会给你们讲解其方程的解法。

麻省理工公开课 - 固态化学导论课程节选

it was just something that was very popular in and out of the school system and community.

那是一些无论在学校或是社区内外都很时髦的事情。

关于布朗克斯 - SpeakingMax英语口语达人

At that point, ineffective crisis management nearly destroyed the financial system and the economy.

FORBES

Government control of the health-care system and the financial system has been greatly expanded.

WSJ: Phil Gramm: The Obama Growth Discount

It is the measuring stick of the world financial system and the global economy.

BBC: As the US loses AAA, where is a safe harbour?