他们的婚姻很幸福。
tāmen de hūnyīn hěn xìngfú 。
Their marriage is very happy.
婚姻需要双方的共同努力。
hūnyīn xūyào shuāngfāng de gòngtóng nǔlì 。
Marriage requires the joint effort of both parties.
在中国，婚姻通常是由家庭决定的。
zài zhōngguó ， hūnyīn tōngcháng shì yóu jiātíng juédìng de 。
In China, marriage is often decided by the family.