take precaution against短语¹⁴⁴⁹⁷²⁺² 基本例句 🌏预防 冷静慎重 How to adapt to the new environment, overcome the impediments and take precaution against the risks are important research topics for enterprise direct investment abroad. 适应环境、克服障碍和防范风险，是开展海外直接投资活动必须研究的重要课题。 cnki