填空题 Paraphrase the following sentences.

填空题 The seller, on the other hand, makes a point of protesting that the price he is charging is depriving him of all profit, and that he is sacrificing this because of his personal regard for the customer.

填空题 From the discouragement of his mining failures, Mark Twain began digging his way to regional fame as a newspaper reporter and humorist.

填空题 The president is the source of all Navy regulations and can tailor them to his desires.

填空题 There is no worse conversationalist than the one who punctuates his words as he speaks as if he were writing, or even who tries to use words as if he were composing a piece of prose or print.

填空题 I remember a time... when every artist thought he owed it to himself to turn his back on the Eiffel Tower, as a protest against the architectural blasphemy with which it filled the sky.