Mr. Jones is a renowned international authority on the problem of overpopulation in developing countries.
琼斯先生在发展中国家人口过剩问题方面是声誉卓著的国际权威。
Editors of newspapers and magazines often go to extremes to provide their reader with unimportant facts and statistics.
报刊杂志的编辑常常为了向读者提供成立一些关紧要的事实和统计数字而走向极端。