The incentives, paid at three intervals, played on the greater value people often place on immediate, rather than delayed, gratification.

此项激励机制分三次付款，其依据是人们通常认为直接而非延迟的满意感具有更大的价值。

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They're irrational numbers and these irrational numbers like to move to rational numbers; they like to move to consonances; they like to move to intervals that are based on things such as two to one and three to two or maybe four to three.

它们是无理数,而这些无理数想要变为有理数,它们想变成和谐音,就要根据一些比率改变音程,比如二比一,三比二,或四比三的比率

耶鲁公开课 - 聆听音乐课程节选

The combat brigades would be brought in gradually, in three-month intervals, according to the military official.

CNN: Obama seeks revisions to Afghanistan plans, sources say

They then heated the crystal for 24 hours to up to 2, 700 degrees Fahrenheit--a process that forces the crystal surface to reorganize itself into a sawtooth pattern at three-nanometer intervals (at that breadth, 30, 000 such jagged edges side by side would be as wide as one human hair).

FORBES: Nanotech

To encourage a team member to expand on their comments, nod your head using clusters of three nods at regular intervals.

FORBES: Want to Build Collaboration? Watch Your Body Language!