declare和claim的区别？

chaim表示在日常生活中可以使用的声称、宣称。而declare用作宣称讲的话用在正式场合，表示正式宣布（STATE OFFICIALLY）,比如说官方的或在公共场合。

for example
declare war表示宣战。

declare用在正式场合里的宣称，一般用在重大的事件的宣布。集体，政府用
claim比较随意，多用于个人声称，集体也可用。

declare:1 to announce something clearly, firmly, publicly or officially:
They declared their support for the proposal
[+ (that)] She declared (that) it was the best chocolate cake she had ever tasted.
[+ object + (to be) + noun or adjective] They declared themselves (to be) bankrupt.
[+ speech] "I won't do it!" he declared.
America declared war on Japan in 1941 (= announced officially that it was at war).
FIGURATIVE The government have declared war on (= publicly announced their opposition to) the drug dealers.
The country declared independence in 1952 (= announced that it was no longer under the control of another country).

2 to officially tell someone the value of goods you have bought, or the amount of money you