The current will switch over after I push this button. 我按下這個按鈕之後,電流會被轉換。
Usually a transition is triggered by some external force, such as a user clicking a button on a Web page or a script interacting with a page. 通常轉換有某些外力觸發,比如用戶點擊網頁中的某個按鈕,或者通過某個頁面交互的一個腳本。