by phone 与 on the phone

by phone 与 on the phone on/by the phone on the phone还是by the phone by the phone.on the by phone 和 on the phone有什么不同? on phone 与on the phone的区别是什么? 如何区别on phone和by phone? want on the phone? 翻译:"on the phone." on the phone on the phone造句 talk on the phone和speak on the phone