A company in the US believes it has found a method to make houses with paper. About ten years ago the company supplied a number of the newest paper houses as urgent housing for thousands of farm workers in California. Today, the paper houses are still holding up well. The builders now guess that the houses will have a useful life of at least 15 or 20 years.
【参考答案】
[解析] 本题的翻译难点是句子“About ten years ago the company…workers in C......