原文
http://tinyurl.com/kuznv97
The scientists noted the challenge in accessing data and creating metrics
that can be compared across livestock and to potato, wheat and rice
production.
请问the challenge in accessing data是什么意思?
challenge是挑战 accessing是进入
翻成"在进入资料的挑战"@@?
跪求强者帮忙解惑
thx~