All the way through its history.

源远流长。

There is quite a history to Memorial Day.

阵亡将士纪念日源远流长。

There's also a long tradition of people being tattooed unwillingly.

同样，人们被迫纹身也是一个源远流长的传统。

Proverbs are found in most cultures and are often very old.

大多数文化都有谚语，而且一般都源远流长。

She says China and the DRC enjoy a time-honored friendship.

她表示，中国和刚果民共和国友谊源远流长。

The conspiracy theories about UFOs, however, have an even longer history and are even more numerous.

而关于明飞行物的阴谋论则源远流长，层出穷。

The bilateral friendship, forged along with the development of the Silk Road, dates back to ancient times and has been further reinforced today.

“通过千年古丝绸之路连接起来的土中友好源远流长，今天得到进一步加强。

The casual friendliness of many Americans should be interpreted neither as superficial nor as artificial, but as the result of a historically developed cultural tradition.

许多美国人的经意的善意既能解释为肤浅也能解释为虚伪，而是文化传统源远流长的结果。

Moscow has long had a proud cafe culture and the city’s coffee houses and restaurants remain a place where Muscovites come together to share their own stories over rich traditional foods.

莫斯科自豪的咖啡文化源远流长城内的咖啡厅及餐厅一直是莫斯科人聚会的场所一边享用丰盛的传统美食，一边分享自己的故事。

Napoleon came from an obscure family, while Bismarck came from a family that had a long history back of it; therefore Napoleon is called the parvenu, while Bismarck is entitled the noble.

拿破仑出身于名门望族，俾斯麦出身于源远流长的世家。因此拿破仑被称为暴发户，而俾斯麦被称为贵族。