spend more time and energy on meaning in English

多下功夫

Millions of people hae to spend more time and energy on studying new skills and technology so that they can keep a faorable position in job market
成千上万的人们不得不花费更多的精力和时间学习新的技术和知识，使得他们在就业市场能保持优势。
Millions of people have to spend more time and energy on studying new skills and technology so that they can keep a favorable position in job market
成千上万的人们不得不花费更多的精力和时间学习新的技术和知识，使得他们在就业市场能保持优势。
[ color = blue ] 61 . [ / color ] millions of people have to spend more time and energy on studying new skills and technology so that they can keep a favorable position in job market
成千上万的人们不得不花费更多的精力和时间学习新的技术和知识，使得他们在就业市场能保持优势。
Millions of people have to spend more time and energy on studying new skills and technology so that they can ( keep a favorable position in job market . ) - - > keep their edge in the job market
成千上万的人们不得不花费更多的精力和时间学习新的技术和知识，使得他们在就业市场能保持优势。