even it is pretty hard
即使是这样也相当困难
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Despite a pretty clear history of warming over the last century, it is even hard to establish any trend in high temperature extremes (in large part because much of the warming has been in warmer night-time lows rather than in daytime highs).
FORBES: Connect
应用推荐
模块上移
模块下移
不移动