dì yī, kāi tóu zài màn yī diǎn; dì èr, tú biǎo xiān shuō jié lùn; dì sān, jié wěi yào gèng míng què

第一，开头再慢一点；第二，图表先说结论；第三，结尾要更明确。

First, slow down the opening a bit more; second, state the conclusion first in the chart; third, make the ending clearer.