leave sb./sth. to oneself困难

If left to themselves, such trends will diminish the relative strength of the English language in international education markets as the demand for educational resources in languages, such as Spanish, Arabic or Mandarin grows and international business process outsourcing in other language such as Japanese, French and German, spreads.

如果放任不管，随着对西班牙语、阿拉伯语或普通话等语言教育资源的需求增长，以及以日语、法语和德语等其他语言进行的国际业务流程外包不断扩展，这些趋势将削弱英语在国际教育市场上的相对优势。