by表示方式用法的例句

我们可以通过电子邮件发送文件。 We can send files by email.

他喜欢坐火车去旅行。 He likes to travel by train.

我们可以通过电话联系他。 We can contact him by phone.

她喜欢通过写信来表达自己的感情。 She likes to express her feelings by writing letters.

他们通过谈话解决了问题。 They resolved the issue by talking it out.