To optimize a plan, system, or machine means to arrange or design it so that it operates as smoothly and efficiently as possible.
双语例句
例： The new systems have been optimized for running Microsoft Windows.
已经对新系统进行了优化，以便运行微软视窗系统。
例： Doctors are concentrating on understanding the disease better, and on optimizing the treatment.
医生们正致力于更好地了解这种疾病和优化治疗方法。