provided
/prəˈvaɪdɪd; prə`vaɪdɪd/ (also provided that, providing / prəˈvaɪdɪŋ; prə`vaɪdɪŋ/, providing that) conj on the condition or understanding that 在...情况或条件下; 假若; 倘若; 除非
I will agree to go provided/providing (that) my expenses are paid. 假如为我负担费用, 我就同意去.
Provided we get good weather it will be a succesful holiday. 如果天气良好, 我们的假日将过得非常好.