【正文】
tting sun with gold, shining streaks。 Our ancestors liked to build walls。 They built walls to protect against enemies and evil spirits。 For a long time, walls were one of the most natural things in the world to me。 My classmates and I were walking with some foreign students。 Suddenly one foreign student asked me, “Where is the entrance to the eastern suburbs?” “We’re already in the eastern suburbs,” I replied?!?His remark set off a heated debate。 That debate had no winners, but I did learn a lot from this student。 I have to admit that we do have many walls in China, and as we develop our country, we must look carefully at them and decide whether they are physical or intangible。 Let me give another example。 However, the li