1.And the more a group punished itself, the lower its earnings.
小組成員之間進行的懲罰越多，分數月底。

“the+形容詞比較級，the+形容詞比較級”，表示“越……越……”。

The more money you make, the more you spend.
錢你賺得越多，花得越多。

如： The sooner，the better. 越快越好
the more, the better, 越多越好

比較級的另外一個常用結構就是“比較級+ and +比較級”或“more and more +原級”表示“越來越……”.

例如：
It is getting cooler and cooler.
天氣越來越涼爽。
The wind became more and more heavily.
風變得越來越大。

2.The group with the most punishment earned twenty-five percent less than the group with the least punishment.
earn

1 (以工作) 賺<錢>,謀 <生>

He ~s fifty dollars a day.
他每天賺五十美元

He ~s his living by doing odd jobs.
他以做臨時工謀生.

2 博得<名聲>,獲得 <風評等> ; 值得 <報酬等>

~ a degree at [from] Harvard University
獲得哈佛大學的學位

~ a reputation for honesty
博得誠實的名聲

This is more than I have ~ed.
這超過了我應得的報酬

3.The study appeared last month in the journal Science.
journal

1 a. 日志,日記
keep a ~
寫日記

It's a good habit to keep a journal.
堅持寫日記是一個好習慣。

b. [the Journals] (英)國會紀錄

2 a. 雜志,定期刊物
a monthly ~
月刊

b. (學術團體等的) 機關報章雜志

c. 日報

3‘航海’航海日志 (logbook)

4‘簿記’分類帳