Thanks for everything, if you ever need a favor in return, just let me know.
感谢你所做的一切,如果你需要我帮忙的话,尽管开口吧。
But, in contrast, it is only in modern times that Galileo has become a problem child for historians of science.
但是相比之下,只是在现代对于科学史家来说,伽利略才变成一个新的难题。