That is because the engineers, designers, regulators, operators, and all of the other skilled people needed for the new energy industry are specialists who have to be trained first ( ' , or retrained, if they are the ones being laid off in some related industry), and education, like any other complicated endeavor, takes times.

出自-2015年12月阅读原文

That is because the engineers, designers, regulators, operators, and all of the other skilled people needed for the new energy industry are specialists who have to be trained first or retrained, if they are the ones being laid off in some related industry

2015年12月六级真题（第一套）阅读 Section B

That should create more collaborative endeavors and help to develop projects aimed directly at solving global problems.

出自-2013年考研阅读原文

These results suggest that imagining the outcome of following through on one's curiosity ahead of time can help determine whether it is worth the endeavor.

2018年考研真题（英语二）完形填空 Section Ⅰ