You just signupto be on the team of whoever you can gather.
你只要报名加入你能召集的任何人的队伍。
2
Researchers have found that students who signupto tutor others work harder to understand the material, recall it more accurately and apply it more effectively.
研究人员发现,那些报名辅导他人的学生会更努力地去理解、更准确地回忆、更有效地运用材料。
3
From a political perspective, we need to understand the terms on which major countries like China and the USA might signupto a global agreement, because at the moment we don't have that consensus.