aim to do; be aimed at doing; be meant to do; be intended to do
例如：PSAs are meant to educate people. 公益广告意在教育民众。
Commercial ads aim to persuade people to buy a product or service. 商业广告目的在于劝说人们购买商品或服务。
in the hope of; in an attempt to do; in an effort to do; with the intention of doing; with the purpose of doing; in order to do; so as to do; in a gesture to do
例如：He left for Africa with the intention of travelling through the entire continent. 他前往非洲，以游遍整个大陆。
A committee was set up in a gesture to preserve the historic ruins.
连词：so that (例句略) 介词： for(例句略)