繁重的（形容詞）

(adjective) Describing something that causes significant, troublesome and unpleasant obligations; burdensome.

EXAMPLE: Every year I dread the onerous task of preparing my taxes.

每年，我都害怕繁重的報稅工作。

目標營銷（營銷術(shù)語）

(MARKETING) A strategy in which a group of potential customers are identified, studied, and then approached with promotions designed specifically to interest them in making purchases.

EXAMPLE: Our company wasted a lot of money on advertising until we adopted a target marketing approach to advertise our projects only to the kind of people who buy them, rather than to the general public.

我們公司做廣告白花了很多錢，直到我們采取了目標營銷方式，只向購買我們項目的人做宣傳，不再面向普通民眾。