She is a strong supporter of environmental causes.

她是环保事业的坚定支持者。

She has always been a strong supporter of feminism.

她一直是女权主义的坚定支持者。

His warning is important as he has been a strong supporter of joint ventures between countries with money to invest and those with land and water resources.

他的警告很重要，因为他就是一个强烈支持有钱投资的国家和有地跟水资源的国家进行合作的人。

The UK Government has been a strong supporter of the Digital Single Market and has tried to influence and shape the form of a European Digital Single Market.

英国政府一直坚定支持统一数字市场，并努力影响和塑造欧洲统一数字市场的形式。