Human misery knows no frontiers, and nor should human solidarity.

人类的苦难没有国界，人类的团结也应同样不分国界。

youdao

There are no frontiers between the disciplines that man sets himself for understanding and loving.

事实上，这些学科的分类都是为了便于人们的理解和出于热爱而建立的。

youdao

Pakistan is an artificial puzzle piece that, unlike India, has no logical frontiers, so different, territorially based ethnic groups exist uneasily together.

巴基斯坦，仿佛是一片人造的拼图块，与印度不同，它没有界限分明的边疆，因此格外与众不同，在领土方面，它是以很不稳定地共同生存在一起的族群为基础的。

youdao

There are no longer any countries shut up in narrow frontiers.

VOA: special.2009.12.31

Where ecological phenomena outlast the political lifetime of decision makers, where the frontiers of Nations are no longer barriers, the principles of harmonisation and inter-governmental collaboration take on their full value.

UNESCO: Troubled Waters

We have always sought out new frontiers and this generation is no different.

WHITEHOUSE: President Obama Pushes Clean Energy

Under no circumstances may foreigners acquire direct ownership of lands or waters within a zone of one hundred kilometers along the frontiers and of fifty kilometers along the shores of the country.

CENTERFORSECURITYPOLICY: Mexico's Glass House