trend description
趋势的描述
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Trends and Issues Alerts: provided a brief description of an emerging trend and related issues, with an annotated list of information sources, including organizations and websites.
UNESCO: Education Resources Information Center (ERIC), USA
应用推荐
模块上移
模块下移
不移动