然而，应该指出的是，一头驴的费用为2万坦桑尼亚先令，比一辆自行车还便宜，但它仍然是一项投资，相当于一个普通家庭半年以上的收入。

It should be noted, however, that a donkey, which at 20,000 Tanzanian shillings costs less than a bicycle, is still an investment equal to an average household's income over half a year.

youdao

我想合作也有半年以上了。

I think more than half a year.

youdao

一般而言，控制症状需半年以上，此后还需维持治疗。

Generally speaking, more than half of control symptoms should, then still need maintenance treatment.

youdao