She writes that formulaic expressions " have to be used and learned as whole units."
她写道,公式的
“
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,每年的iPhone发布会都变得有套路
,通常宣布电池寿命、摄像系统和显示屏方面的渐进性改进,但今年苹果有望首次在其智能手机上引入USB-C充电。