来自廖光煊的问题
nothingisdifficultintheworldifyousetyourmindtoit.
nothingisdifficultintheworldifyousetyourmindtoit.


nothingisdifficultintheworldifyousetyourmindtoit.
nothingisdifficultintheworldifyousetyourmindtoit.
世上无难事,只怕有心人.