The goal is to create a favorable first impression and then follow through by delivering what was promised.

目标是树立一个良好的第一印象，接下来按照事先承诺的去实施。

youdao

For you have need of endurance, so that when you done the will of God, you may receive what was promised. (Hebrews 10:36).

你们必须忍耐，使你们行完了神的旨意，就可以得着所应许的。(来10：36)。

youdao

A “better and richer and fuller” life was no longer just what America promised its hardworking citizens individually; it was an ideal toward which these citizens were duty-bound to strive together.

“更好、更圆满”不再仅仅是美国所承诺的给予辛勤工作的人，更是给予那些因为责任心而在一起的，一起奋斗的人。

youdao

At the police academy, what was promised and what was delivered--there's a huge chasm between the two.

NPR: Progress, Problems in Iraq's Reconstruction Effort

Even so, political instability, graft and incompetence have meant that many African dams, once built, have failed to produce what was promised.

ECONOMIST: Dams in Africa

This could tend to export US talents and companies from US markets to accomplish what was promised by the JOBS Act that President Obama signed.

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