So city officials have decided to require all visitors to pay a fee to enter Venice.

因此，威尼斯市政府决定要求所有游客需付费才能进入该市。

Some rely on charity, but many have a proper business model: academics pay a fee to be published.

有些企业倚重的却是慈善出版物，但是，它们大多都有一个合适的商业模式：学者都要支付一定的费用才能出版他们的研究成果。

Students have to pay a fee to take the exam.

学生必须支付费用才能参加考试。

To adopt an animal, the new owner means to fill in a few forms and pay a fee to cover the vaccinations and neutering.

收养一只动物，新主人需要填写几张表格，并支付疫苗接种和绝育的费用。

But you pay a fee without custodying it yourself. But you pay a fee to whoever custodies or holds it for you.

但您需要支付一定的费用，而无需自行保管。但您需要向为您保管或持有它的人支付费用。

After a few years, some vendors started paying a fee to theaters to sell their popcorn right in the lobby to catch the crowds as people entered a movie.

几年后，一些小贩开始向影院老板支付费用，让他们可以在影院大厅出售爆米花，刚好可以吸引到来看电影的观众。