The stamp’s background fill color is [COLOR] — muted, desaturated, dusty, vintage-toned, completely flat. No gradients, no shading. The illustration engraving lines must be a significantly darker shade of [COLOR], dark enough to stand out clearly and crisply against the background at high contrast.
Source: Computational Materials Science, Volume 267
，这一点在WPS官方版本下载中也有详细论述
Материалы по теме:
tasks = make([]task, 0, lengthGuess)