She writes that formulaic expressions " have to be used and learned as whole units."
她写道,公式化表达“必须作为一个整体来使用和学习”。
Although the annual iPhone event has become formulaic over the years, announcing incremental changes to battery life, camera system and displays, this year Apple is expected to introduce USB-C charging to its smartphones for the first time.
尽管多年来,每年iPhone发布会都变得有套路化,通常宣布电池寿命、摄像系统和显示屏方面渐进性改进,但今年苹果有望首次在其智能手机上引入USB-C充电。