3. although 尽管，虽然。用于引导状语
从句，后面的主句不能用 but 连接。
Although my car is very old, it still
runs very well. 尽管我的车很旧，跑起来却还很好。 The lights were already on although it was only five o’clock. 尽管刚刚五点钟，灯却已点亮了。
4. stand by 忠于; 坚守; 坚持 I still stand by what I said yesterday. 我坚持我昨天说的话。 I stand by my principles. 我坚持我的原则。
5. trade n. 买卖，交易 do trade with sb. His father wanted to do trade with the Chinese. 他的父亲想和中国人做买卖。 trade v. trade with sb. Early explorers traded directly with the Indians. 早期的探险者与印第安人直接进行交易。
wanted to ________ stand by his earlier statements. 4) In the past, without clean running water, disease would often _________ break out in cities. 5) The customer praised the manager, who, _______, in turn praised his staff.
4. Marco was asked the question “Was to it all true?” which he replied “I have ∧ only told a half of what I saw.” 5. In 1291, after 17 years of faithful to service the Emperor, Marco returned ∧ to Italy.
