编写新软件不是一个确定过程；它具有高可适应性，这意味着一个基于反馈的方法比规定方法会工作得更好。
Writing new software isn't a deterministic process; it is highly adaptable, which suggests that a feedback-based approach works better than a prescriptive one.
GABA含量高时，神经元无法形成新的连结，同时大脑的学习能力也会降低；而含量低时，神经细胞可自由形成新的连结。
High levels of GABA can prevent neurons forming new connections - and slow down the brain's ability to learn - while low levels free nerve cells to create new brain circuitry.
比如，瑞士再保险公司如果为设在伦敦的总部新大楼安装可开启的窗户，会产生额外的高成本，虽然能够降低空气流通费用，但要十年以上才能与投入相抵。
For example, Swiss re's installation of Windows that can be opened in its striking new London headquarters will take more than a decade of reduced ventilation bills to justify their extra cost.
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