Brian教授在澳大利亞已經五年了，為的是研究澳大利亞土著豐富多樣的藝術形式，500多個部落及其復雜的貿易系統。
Professor Brian

has been

has been

already

in

in

Australia

for

for

five years in order to make a research about Aboriginal

rich

rich

of art and 500 different

forms tribes

forms tribes

，with

complex systems

complex systems

of

trade

trade

.