SZ versus Z. You need to " prezent" that,   " present" . Okay? Look for an SZ or Z sound and differentiate between the two. It'll  help with the emphasis from the front.

SZ 与 Z。 您需要“prezent” 那个，“present” 。 好的？ 寻找 SZ 或 Z 声音并区分两者。这将有助于从前面强调。