Photocommunication
光通信
??? 情景例句
Financial security, that's what it's all about.
家庭財政狀況無憂，這就夠了。
You may come home with me any time.
你隨時可以來我家。
Collecting as a serous hobby is quite different and has many advantages.
作為一種嚴肅的業余愛好的收藏活動完全是另外一回事，它具有許多益處。