source

source：a place, person, or thing from which something originates or can be obtained, 可数名词

a source of delight/happiness/strength, 赋予，带来，得益于

Racial and cultural diversity has long been considered a source of strength for the US.

Conquering the world, as he had done time after time with pure punching skill, did not now seem the source of true happiness.

Liberty and autonomy are sources of human dignity.

America’s political system can be frustrating. Believe me, I know. But it has been the source of more than two centuries of economic and social progress.

（1）翻译:

姚明和刘翔让上海人感到骄傲。

Yao Ming and Liu Xiang are sources of pride for Shanghainese people.

（2）造句：

The daily progress in my spoken English is a source of the sense of satisfaction.