That means the country is underthe risk of a lack of labo .

那意味着这个国家有劳动力资源不足的风险。

Genius is nothing but labo r and diligence .

天才不过是勤奋而已。

Both of these can exhibit increases at the same time due to growth in the labo ur force .

两个指标都可以由于劳动力的增加而同时出现增长。

Challenges in occupational safety and health services in agricultural labo .

农业劳动职业安全卫生服务面临的挑战。